• Which planets are too hot, too cold, and just right?
Copyright © 2010 Ryan P. Murphy
http://sciencepowerpoint.com/Website Link:
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Learning the Inner Planets
• The Habitable Zone
• Astronomical Units
• Focus on Mercury
• ...
• This unit will also cover..
• Tidal Forces
• The Apollo Missions
• Focus on Mars
• Exploration of Mars
• Space Race
• Ro...
• This unit will also cover..
• Tidal Forces
• The Apollo Missions
• Focus on Mars
• Exploration of Mars
• Space Race
• Ro...
• This unit will also cover..
• Tidal Forces
• The Apollo Missions
• Focus on Mars
• Exploration of Mars
• Space Race
• Ro...
• This unit will also cover..
• Tidal Forces
• The Apollo Missions
• Focus on Mars
• Exploration of Mars
• Space Race
• Ro...
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
Copyright © 2010 Ryan...
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Skip a line between topics
-...
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
• BLACK SLIDE: Pay at...
• Keep an eye out for “The-Owl” and raise
your hand as soon as you see him.
– He will be hiding somewhere in the slideshow...
• Keep an eye out for “The-Owl” and raise
your hand as soon as you see him.
– He will be hiding somewhere in the slideshow...
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Inner Planets.
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Venus
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Venus
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Venus
Mars
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Venus
Mars
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Venus
MarsMercury
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Venus
MarsMercury
Copyright © 2010 Ryan P. Murphy
• Can you name the inner planets by sight?
– Give it a shot below.
Venus
MarsMercury
Earth
Copyright © 2010 Ryan P. Murphy
• Which planet rotates opposite of all the
others?
Venus
MarsMercury
Earth
Copyright © 2010 Ryan P. Murphy
• Which planet rotates opposite of all the
others?
Venus
MarsMercury
Earth
Copyright © 2010 Ryan P. Murphy
• Which planet rotates opposite of all the
others?
Venus
MarsMercury
Earth
Copyright © 2010 Ryan P. Murphy
• Can you do it one more time?
Copyright © 2010 Ryan P. Murphy
• Can you do it one more time?
Mercury
Copyright © 2010 Ryan P. Murphy
• Can you do it one more time?
Mercury
Copyright © 2010 Ryan P. Murphy
• Can you do it one more time?
Mercury
Venus
Copyright © 2010 Ryan P. Murphy
• Can you do it one more time?
Mercury
Venus
Copyright © 2010 Ryan P. Murphy
• Can you do it one more time?
Mercury
Venus Mars
Copyright © 2010 Ryan P. Murphy
• Can you do it one more time?
Mercury
Venus Mars
Copyright © 2010 Ryan P. Murphy
• Can you do it one more time?
Mercury
Venus Mars
Earth
Copyright © 2010 Ryan P. Murphy
On the next slide, teacher to minimize
out of slideshow and assist students in
dragging inner planets to their correct
ord...
Answer:
Answer:
• What is the connection between this story
and the planet earth?
Copyright © 2010 Ryan P. Murphy
• Answer! The distance to planet Earth from the
Sun is just right. Not to hot, and not to cold.
Copyright © 2010 Ryan P. M...
• Which planets are too hot, too cold, and just right?
Copyright © 2010 Ryan P. Murphy
• Which planets are too hot, too cold, and just right?
Copyright © 2010 Ryan P. Murphy
• Which planets are too hot, too cold, and just right?
Copyright © 2010 Ryan P. Murphy
• Which planets are too hot, too cold, and just right?
Copyright © 2010 Ryan P. Murphy
• Which planets are too hot, too cold, and just right?
Copyright © 2010 Ryan P. Murphy
• Which planets are too hot, too cold, and just right?
Copyright © 2010 Ryan P. Murphy
• Which planets are too hot, too cold, and just right?
Copyright © 2010 Ryan P. Murphy
 AU = Astronomical Unit, Distance from
Earth to the Sun.
 -
 -
 -
Copyright © 2010 Ryan P. Murphy
 AU = Astronomical Unit, Distance from
Earth to the Sun.
 93 Million Miles or
 -
 -
Copyright © 2010 Ryan P. Murphy
 AU = Astronomical Unit, Distance from
Earth to the Sun.
 93 Million Miles or
 150 Million Kilometers or
Copyright © 20...
 AU = Astronomical Unit, Distance from
Earth to the Sun.
 93 Million Miles or
 150 Million Kilometers or
 1 AU
Copyrig...
 AU = Astronomical Unit, Distance from
Earth to the Sun.
 93 Million Miles or
 150 Million Kilometers or
 1 AU
Copyrig...
How units in astronomy are measured, Learn More:
http://www.telescope.org/nuffield_21_sci/astrounits.htm
• What planet am I? I am about 9.5 AU
from the sun.
• What planet am I? I am about 9.5 AU
from the sun.
• What planet am I? I am about .7 AU
from the sun.
• What planet am I? I am about .7 AU
from the sun.
• What planet am I? I am about .7 AU
from the sun.
• Inner Planets – Mercury, Venus, Earth,
• What’s inside?
• Activity! Gathering information about the Sun
and the Inner Planets.
– Please create two pages in your journal of the
ne...
• Mercury: Searching for facts online.
– Search “Virtual Tour Mercury”
– http://science.nationalgeographic.com/science
/sp...
• Activity! Visit the websites about Venus and
record information for the unit assessment.
• http://science.nationalgeogra...
• Activity Sheet Available: Research Inner
Planets.
THE SUN
THE SUN
Mercury
THE SUN
Mercury
Venus
THE SUN
Mercury
Venus
Earth
THE SUN
Mercury
Venus
Earth
Mars
THE SUN
Mercury
Venus
Earth
Mars
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
The Sun is by far the largest object in the solar system. It
contains more ...
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
 Area of Focus: Mercury
Copyright © 2010 Ryan P. Murphy
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
• Mercury: Searching for facts online.
– Search “Virtual Tour Mercury”
– http://www.wwiaviation.com/wavelength/mercury.htm...
• Activity Sheet Available: Research Inner
Planets.
Mercury has little to no
atmosphere and is heavily
cratered
• The Caloris Basin. Largest known crater in
the solar system.
• Symbol – Mercury (Commerce / Speed)
Copyright © 2010 Ryan P. Murphy
• Symbol – Mercury (Commerce / Speed)
Copyright © 2010 Ryan P. Murphy
First probe to
gather information
on this innermost
planet
First probe to
gather information
on this innermost
planet
March 29, 1974
If you weighed 100
lbs on Earth, you
would weigh 38
pounds on Mercury
If you weighed 100
lbs on Earth, you
would weigh 38
pounds on Mercury
If you weighed 100
lbs on Earth, you
would weigh 38
pounds on Mercury
• Forget about the planets temperature and
lack of atmosphere…
– Would you want to go school for a day on
Mercury?
• Forget about the planets temperature and
lack of atmosphere…
– Would you want to go school for a day on
Mercury? One Day...
• Forget about the planets temperature and
lack of atmosphere…
– Would you want to go school for a day on
Mercury? One Day...
• In 2012, Ice was discovered at the pole in
places permanently shielded from the sun.
• In 2012, Ice was discovered at the pole in
places permanently shielded from the sun.
• In 2012, Ice was discovered at the pole in
places permanently shielded from the sun.
• Mercury’s rotation is on a wobble.
Copyright © 2010 Ryan P. Murphy
• Mercury’s rotation is on a wobble.
– As it approaches noon, the sun goes back
the way it came, then stops and goes again...
• Mercury’s rotation is on a wobble.
– As it approaches noon, the sun goes back
the way it came, then stops and goes again...
• Video Link! Surface of Mercury (Optional)
– Nice video that shows how surface data is
collected.
– Can be music / video ...
• Mercury
– Close to the sun with no moons.
– Little to no atmosphere (heavily cratered)
– In the Sun the temperatures can...
 Area of Focus: Venus
Copyright © 2010 Ryan P. Murphy
• Activity Sheet Available: Research Inner
Planets.
THE SUN
Mercury
Venus
Earth
Mars
Asteroid Belt
Mercury is a small, rocky
planet. ~ Mercury has
been visited by the
Mariner...
• Activity! Visit the websites about Venus and
record information for the unit assessment.
– http://www.wwiaviation.com/wa...
• Venus Symbol
• Venus: The Goddess of Love and Beauty.
Copyright © 2010 Ryan P. Murphy
• Brightest object in the sky besides the sun
and moon.
• Brightest object in the sky besides the sun
and moon. Morning Star / Evening Star
• Where is Venus?
• Where is Venus? answer is…
• Where is Venus? answer is…
• Where is Venus? answer is…
• Which planet is larger, Venus or Earth?
• Answer! The earth is slightly larger, but the
two are very close.
– Venus is considered earth’s sister planet
because th...
• Answer! The earth is slightly larger, but the
two are very close.
– Venus is considered Earth’s sister planet
because th...
• Answer! The earth is slightly larger, but the
two are very close.
– They also are very close to each other, and
have a s...
• Venus is the closest planet to earth.
• How fun would it be to visit Venus?
• Venus has a constant temperature of 480
Degrees Celsius or 864°F.
Copyright © 2010 Ryan P. Murphy
• Venus is the hottest planet in the solar
system because of the greenhouse effect.
Copyright © 2010 Ryan P. Murphy
• Venus is the hottest planet in the solar
system because of the greenhouse effect.
Copyright © 2010 Ryan P. Murphy
• Venus is the hottest planet in the solar
system because of the greenhouse effect.
Copyright © 2010 Ryan P. Murphy
• Venus is the hottest planet in the solar
system because of the greenhouse effect.
Copyright © 2010 Ryan P. Murphy
• Venus is the hottest planet in the solar
system because of the greenhouse effect.
Copyright © 2010 Ryan P. Murphy
• Venus is the hottest planet in the solar
system because of the greenhouse effect.
Copyright © 2010 Ryan P. Murphy
“I can’t
breathe.”
“It burns.”
• Pressure on the surface is 90 times that of
Earth.
Copyright © 2010 Ryan P. Murphy
• Pressure on the surface is 90 times that of
Earth.
– Equal to being about a mile under the sea.
Copyright © 2010 Ryan P....
• Venus would not be a planet that you
would want to visit.
• Venus would not be a planet that you
would want to visit.
– You would burn up!
• Venus would not be a planet that you
would want to visit.
– You would burn up!
– The atmosphere is toxic!
• Venus would not be a planet that you
would want to visit.
– You would burn up!
– The atmosphere is toxic!
– The pressure...
• Thick Clouds created a mystery for many
years.
• Thick Clouds created a mystery for many
years.
• Thick Clouds created a mystery for many
years.
• The surface of Venus is rather smooth in
many places.
– However, astronomers have found evidence
for many of the same ge...
• The surface of Venus is rather smooth in
many places.
– However, astronomers have found evidence
for many of the same ge...
• Elevation image of Venus
• Elevation image of Venus
• Elevation image of Venus
If you weigh
100 pounds
on Earth,
• Elevation image of Venus
If you weigh
100 pounds
on Earth,
you would
weigh 88
pounds on
Venus.
• Elevation image of Venus
If you weigh
100 pounds
on Earth,
you would
weigh 88
pounds on
Venus.
• Elevation image of Venus
If you weigh
100 pounds
on Earth,
you would
weigh 88
pounds on
Venus.
• Picture of Maat Mons,
– The largest volcano on Venus
• Picture of Maat Mons,
– The largest volcano on Venus
• Picture of Maat Mons,
– The largest volcano on Venus
• Picture of Maat Mons,
– The largest volcano on Venus
Note: no evidence
that Maat Mons is
currently active.
• Canyons on Venus,
• Canyons on Venus,
– Not as deep as the Grand Canyon.
• The planet also rotates in a opposite rotation.
Copyright © 2010 Ryan P. Murphy
• The planet also rotates in a opposite rotation.
Copyright © 2010 Ryan P. Murphy
• The planet also rotates in a opposite rotation.
Copyright © 2010 Ryan P. Murphy
• The planet also rotates in a opposite rotation.
Copyright © 2010 Ryan P. Murphy
Day on Venus =
243 Earth Days
Day on Venus =
243 Earth Days
Year on Venus =
224.7 Earth Days
• Video! Visiting the surface of Venus.
– http://www.youtube.com/watch?v=ro-
EG0ZCvKE
• Video Link! Venus: A fly by tour (Animation)
– http://www.youtube.com/watch?v=HqFVxWfVtoo
• Video Link: Recent lava flow from a volcano
on Venus.
– http://www.youtube.com/watch?v=nHqPpz7vXn
U&feature=fvst
• Video Link! (Optional) Venus and Mercury,
– http://www.youtube.com/watch?v=73VZT6kj2
UA (44:16 minutes)
Some Facts about Venus VENUS
Distance from Sun 108 million km
(67 million miles)
0.72 AU (Earth=1 AU)
Length of Day 243 Ea...
 New Area of Focus: Earth
Copyright © 2010 Ryan P. Murphy
• Activity Sheet Available: Research Inner
Planets.
• Earth
– Only planet known to support life.
– Complex system of land, water, air,
– Largest of the inner planets
– Denses...
• Earth
– Only planet known to support life.
– Complex system of land, water, air,
– Largest of the inner planets
– Denses...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air.
– Largest of the inner planets
– De...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air.
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air.
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air.
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air.
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air.
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air.
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air,
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air,
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air,
– Largest of the inner planets.
– D...
• Earth
– Only planet known to support life.
– Complex system of land, water, and air,
– Largest of the inner planets.
– D...
• Video Link! Planet Earth (Optional)
– Just enjoy this one. Earth is by far the most
amazing planet.
– http://www.youtube...
Some Facts about Earth Earth
Distance from Sun 93,000,000 miles or
149,597,891 km
Length of Day 23 hours 56 minutes
Length...
• Thought Question about Earth?
– What if the Earth rotated on its axis once
every 243 days like on Venus?
• Thought Question about Earth?
– What if the Earth rotated on its axis once
every 243 days like on Venus?
How would plant...
• Thought Question about Earth?
– What if the Earth rotated on its axis once
every 243 days like on Venus?
How would plant...
• Thought Question about Earth?
– What if the Earth rotated on its axis once
every 243 days like on Venus?
How would plant...
• Thought Question about Earth?
– What if the Earth rotated on its axis once
every 243 days like on Venus?
How would plant...
• Symbol for Earth.
• Which is the shape of Earth?
• Which is the shape of Earth? answer is…
• Which is the shape of Earth? answer is…
If you
weighed a
100 lbs on
this planet?
You would
weigh 100
pounds
If you
weighed a
100 lbs on
this planet?
You would
weigh 100
pounds
If you
weighed a
100 lbs on
this planet?
You would
weigh 100
pounds
• Earth Available Sheet, Formation,
Seasons, EM Field, Phases of the Moon.
• Earth Available Sheet, Formation,
Seasons, EM Field, Phases of the Moon.
• How did the moon get here / form?
• Theories on how moon was formed?
– The Fission Theory: The Moon was once part of the Earth and
somehow separated from th...
• Theories on how moon was formed?
– The Fission Theory: The Moon was once part of the Earth and
somehow separated from th...
Theories on moon formation, Learn more:
http://www.universetoday.com/47996/how-
was-the-moon-formed/
• Video Link! Formation of the moon.
– http://www.youtube.com/watch?v=ibV4MdN5wo0
• Video Link! Formation of the Moon
– Longer Version
– http://www.youtube.com/watch?v=m8P5ujNwEwM
• It’s warmer in summer time because…
– A.) The sun increases its energy during the
summer.
– B.) The earth is closer to t...
• It’s warmer in summer time because…
– A.) The sun increases its energy during the
summer.
– B.) The earth is closer to t...
• Earth Available Sheet, Formation,
Seasons, EM Field, Phases of the Moon.
• Many college students think the earth is
closer to the sun in the summer.
Copyright © 2010 Ryan P. Murphy
• Many college students think the earth is
closer to the sun in the summer.
WRONG! The earth is further away.
Copyright © ...
• The earths orbit is elliptical.
Copyright © 2010 Ryan P. Murphy
• The earths orbit is elliptical.
Copyright © 2010 Ryan P. Murphy
152,400,000 km 147,600,000 km
• The earths orbit is elliptical.
Copyright © 2010 Ryan P. Murphy
152,400,000 km 147,600,000 km
• The earths orbit is elliptical.
Copyright © 2010 Ryan P. Murphy
152,400,000 km 147,600,000 km
• The earths orbit is elliptical.
Copyright © 2010 Ryan P. Murphy
152,400,000 km 147,600,000 km
The Sun
Closer in
the Winter
The Sun
Closer in
the Winter
The Sun Is
further away
in summer
More Direct
More Direct Less Direct
More Direct Less Direct
Glancing
Winter
More Direct Less Direct
Glancing
Summer
Winter
• The axial tilt causes the sun to be lower in the
sky.
• The axial tilt causes the sun to be lower in the
sky.
– The length of the day is also shorter during winter
in the North...
• Why are Alaska and Canada cold places?
Copyright © 2010 Ryan P. Murphy
• On what latitudes are the warmest
temperatures on Earth?
Copyright © 2010 Ryan P. Murphy
• On what latitudes are the warmest
temperatures on Earth? Oº degrees
Copyright © 2010 Ryan P. Murphy
• At what latitudes is the temperature
coolest on the earth?
Copyright © 2010 Ryan P. Murphy
• At what latitudes is the temperature
coolest on the earth?
Copyright © 2010 Ryan P. Murphy
From 90º N and S
to 45º N and...
• At what latitudes is the temperature
coolest on the earth?
Copyright © 2010 Ryan P. Murphy
From 90º N and S
to 45º N and...
• Activity Link! Watch video and conduct activity
if desired. (Optional)
– http://www.guardian.co.uk/science/video/2012/no...
• Solstice: Either the shortest day of the year
(winter solstice) or the longest day of the year
(summer solstice)
• Solstice: Either the shortest day of the year
(winter solstice) or the longest day of the year
(summer solstice)
What da...
• Solstice: Either the shortest day of the year
(winter solstice) or the longest day of the year
(summer solstice)
What da...
• Solstice: Either the shortest day of the year
(winter solstice) or the longest day of the year
(summer solstice)
What da...
• The winter solstice
• The winter solstice
• The winter solstice is the moment when the
earth is at a point in its orbit where one
hemisphere is most inclined away f...
• The winter solstice is the moment when the
earth is at a point in its orbit where one
hemisphere is most inclined away f...
• Diagram showing Stonehenge at the
beginning of the summer solstice.
24 sec video at..
http://www.youtube.com/watch?v=vYy...
• Diagram showing Stonehenge at the
beginning of the summer solstice.
–
• Solstice: Either the shortest day of the year
(winter solstice) or the longest day of the year
(summer solstice)
What da...
• Solstice: Either the shortest day of the year
(winter solstice) or the longest day of the year
(summer solstice)
What da...
• Solstice: Either the shortest day of the year
(winter solstice) or the longest day of the year
(summer solstice)
What da...
• Solstice: Either the shortest day of the year
(winter solstice) or the longest day of the year
(summer solstice)
What da...
• This is a 2,300 year old solar observatory in
Peru.
• This is a 2,300 year old solar observatory in
Peru.
• This is a 2,300 year old solar observatory in
Peru.
• Video Link! Winter Solstice at Newgrange in
Ireland (Optional)
– http://www.youtube.com/watch?v=ngADMns8W78
• Is this a winter solstice or summer solstice
in the Northern Hemisphere?
• Is this a winter solstice or summer solstice
in the Northern Hemisphere?
• Is this a winter solstice or summer solstice
in the Northern Hemisphere?
• Is this a winter solstice or summer solstice
in the Northern Hemisphere?
• Which is winter solstice in the northern
hemisphere and which is summer solstice?
• Which is winter solstice in the northern
hemisphere and which is summer solstice?
• Which is winter solstice in the northern
hemisphere and which is summer solstice?
• Which is winter solstice in the northern
hemisphere and which is summer solstice?
• Which is winter solstice in the northern
hemisphere and which is summer solstice?
• Which is winter solstice in the northern
hemisphere and which is summer solstice?
• Different parts of the world have seasons
at different months of the year.
Copyright © 2010 Ryan P. Murphy
• This is a ski resort in New Zealand during
our summer?
Copyright © 2010 Ryan P. Murphy
• Equinox: Either of the two times each year
(about March 21 and September 23) when
the sun crosses the equator.
• Equinox: Either of the two times each year
(about March 21 and September 23) when
the sun crosses the equator.
– Day and...
• Equinox: When the sun crosses the celestial
equator, when day and night are of equal
length
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which is, equinox, winter solstice in the northern
hemisphere, and which is summer solstice?
• Which letter is the winter solstice, equinox,
and which is the summer solstice?
• Which letter is the winter solstice, equinox,
and which is the summer solstice?
• Which letter is the winter solstice, equinox,
and which is the summer solstice?
• Which letter is the winter solstice, equinox,
and which is the summer solstice?
• Which letter is the winter solstice, equinox,
and which is the summer solstice?
• Which letter is the winter solstice, equinox,
and which is the summer solstice?
• Which letter is the winter solstice, equinox,
and which is the summer solstice?
West
East
North
South
West
East
North
South
West
East
North
South
Dec 21st
West
East
North
South
Dec 21st
March 21
West
East
North
South
Dec 21st
March 21
June 21
West
East
North
South
Dec 21st
March 21
June 21
Winter Solstice
West
East
North
South
Dec 21st
March 21
June 21
Summer Solstice
Winter Solstice
West
East
North
South
Dec 21st
March 21
June 21
Summer Solstice
Winter Solstice
West
East
North
South
Dec 21st
March 21
June 21
Summer Solstice
Winter Solstice
West
East
North
South
Dec 21st
March 21
June 21
Summer Solstice
Winter Solstice
West
East
North
South
Dec 21st
March 21
June 21
Summer Solstice
Winter Solstice
Zenith: The point on the celestial sphere
...
West
East
North
South
Dec 21st
March 21
June 21
Summer Solstice
Winter Solstice
Zenith: The point on the celestial sphere
...
West
East
North
South
Dec 21st
March 21
June 21
Summer Solstice
Winter Solstice
Zenith: The point on the celestial sphere
...
West
East
North
South
Dec 21st
March 21
June 21
Summer Solstice
Winter Solstice
Zenith: The point on the celestial sphere
...
Name the
season for
Mr. Pink
Name the
season for
Mr. Pink
Name the
season for
Mr. Pink
Name the
season for
Mr. Pink
Name the
season for
Mr. Pink
Name the
season for
Mr. Pink
Name the
season for
Mr. Pink
Name the
season for
Mr. Pink
Name the
season for
Mr. Pink
Northern Hemisphere
More direct light
More direct light
More direct light
More direct light
More direct light
More direct light
More direct light
More direct light
More direct light
 The tilt of the earth’s axis 23.5 degrees
Copyright © 2010 Ryan P. Murphy
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Copyright © 20...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
 The tilt of the earth’s axis 23.5 degrees
Summer = Northern Hemisphere is
tilted into more direct light.
Winter = Nort...
• Seasons simulator (Optional) and Quiz
– http://highered.mcgraw-
hill.com/sites/007299181x/student_view0/chapter
2/season...
• The season are caused by three factors.
• The season are caused by three factors.
1.) Revolution of Earth around the Sun.
• The season are caused by three factors.
1.) Revolution of Earth around the Sun.
2.) Tilt of the Earths axis
• The season are caused by three factors.
1.) Revolution of Earth around the Sun.
2.) Tilt of the Earths axis
3.) Parallel...
• The season are caused by three factors.
1.) Revolution of Earth around the Sun.
2.) Tilt of the Earths axis
3.) Parallel...
• The season are caused by three factors.
1.) Revolution of Earth around the Sun.
2.) Tilt of the Earths axis
3.) Parallel...
I“I’ve graduated college.”
I
“It’s summer because
the Earth is closer to
the Sun!”
I
“It’s summer because
the Earth is closer to
the Sun!”
I“What?”
Learn more about the seasons and axial tilt at…
http://www.windows2universe.org/earth/climate
/cli_seasons.html
• Video Link! What causes the seasons?
– http://www.youtube.com/watch?v=NweLxtmnzv4
• Video Link! Axial Tilt Khan Academy
– Optional (Advanced)
– http://www.youtube.com/watch?v=05qDIjKevJo
• You can now complete this question.
 New Area of Focus: The Earth’s
Electromagnetic Field.
Copyright © 2010 Ryan P. Murphy
 New Area of Focus: The Earth’s
Electromagnetic Field.
Copyright © 2010 Ryan P. Murphy
• The spinning inner cores of solid and liquid
iron creates a giant electromagnetic field
around our planet.
Copyright © 2...
• The spinning inner cores of solid and liquid
iron creates a giant electromagnetic field
around our planet. Without it, e...
• The spinning inner cores of solid and liquid
iron creates a giant electromagnetic field
around our planet. Without it, e...
• Electric Fields: The funky area near any
electrically-charged object.
– Replace electrostatic for funky.
Copyright © 201...
• Electric Fields: The funky area near any
electrically-charged object.
– Replace electrostatic for funky.
Copyright © 201...
• Electric Fields: The funky area near any
electrically-charged object.
– Replace electrostatic for funky.
Copyright © 201...
• Visit a magnetic field simulator.
http://phet.colorado.edu/en/simulation/mag
nets-and-electromagnets
• Earth Available Sheet, Formation,
Seasons, EM Field, Phases of the Moon.
• Activity! Drawing the earth’s EM Field.
• Activity! Drawing the earth’s EM Field.
EM Field refers to Electromagnetic
• Activity! Drawing the earth’s EM Field.
EM Field refers to Electromagnetic
• Activity! Drawing the earth’s EM Field.
– Pass out a paper plate to everyone.
– Draw a Earth about the size of a golf ba...
• Activity! Drawing the earth’s EM Field.
– Spread iron filings all around the plate.
– From below, place a magnet beneath...
• Activity! Drawing the earth’s EM Field.
– Spread iron filings all around the plate.
– From below, place a magnet beneath...
• Activity! Drawing the earth’s EM Field.
– Spread iron filings all around the plate.
– From below, place a magnet beneath...
• Activity! Drawing the earth’s EM Field.
– Spread iron filings all around the plate.
– From below, place a magnet beneath...
• Activity! Drawing the earth’s EM Field.
– Spread iron filings all around the plate.
– From below, place a magnet beneath...
• Electromagnetic field protects the earth
from charged particles.
– It also creates the Aurora borealis (Northern
Lights)
Earths EM field. Learn more:
http://image.gsfc.nasa.gov/poetry/
magnetism/magnetism.html
• Video Link. Aurora borealis
– http://www.youtube.com/watch?v=FcfWsj9OnsI
– It needs music
http://www.youtube.com/watch?v...
 New Area of Focus: The
 New Area of Focus: The Moon
• Real Scale of Earth and Moon
• Real Scale of Earth and Moon
Earth
• Real Scale of Earth and Moon
Earth
Moon
• Real Scale of Earth and Moon
Earth
Moon
• Real Scale of Earth and Moon
Earth
Moon
If you're measuring the center-to-center
distance from the earth to the Moon, th...
• Real Scale of Earth and Moon
Earth
Moon
If you're measuring the center-to-center
distance from the earth to the Moon, th...
• Are you ready to see the other side of the moon?
• Are you ready to see the other side of the moon?
I can’t hear you….
• Are you ready to see the other side of the moon?
I can’t hear you….
• What direction does the moon rotate?
• The same or opposite as earth.
• What direction does the moon rotate?
• The same or opposite as earth. Answer:
• It takes the moon the same amount of time to
rotate around once as it does for the moon to
go around the earth once.
Cop...
• It takes the moon the same amount of time to
rotate around once as it does for the moon to
go around the earth once.
Cop...
• It takes the moon the same amount of time to
rotate around once as it does for the moon to
go around the earth once.
Cop...
• It takes the moon the same amount of time to
rotate around once as it does for the moon to
go around the earth once.
Cop...
• It takes the moon the same amount of time to
rotate around once as it does for the moon to
go around the earth once.
Cop...
• It takes the moon the same amount of time to
rotate around once as it does for the moon to
go around the earth once.
– T...
• Video! Synchronous Orbit of the earth and
the moon.
– http://www.youtube.com/watch?v=OZIB_leg75Q
• The moon use to rotate faster but has slowed
down and become locked gravitationally with
the earth.
• The moon is also moving further away
from the earth each year.
– About 4 cm a year.
“See you Earth,
Nice knowing
you.”
• As the moon gets further away from earth it
will slow down its movement away.
• As the moon gets further away from earth it
will slow down its movement away.
– It will eventually stabilize at 1.6 the ...
• This will take 15 Billion years!
• The Sun will become a red giant in only 5
Billion years destroying both the moon and
the earth.
• What’s the man of the moon all about?
• The man is a series of craters that creates a
face.
 New Area of Focus: Phases of the Moon
Copyright © 2010 Ryan P. Murphy
View from Earth
What you see
Waxing Crescent
Waxing Crescent
Waxing Crescent
Waxing Crescent
First Quarter
Waxing Crescent
First Quarter
Waxing Crescent
First Quarter
Waxing Crescent
First Quarter
Waxing Gibbous
Waxing Crescent
First Quarter
Waxing Gibbous
Waxing Crescent
First Quarter
Waxing Gibbous
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
Waxing Crescent
First Quarter
Waxing Gibbous
Full
Waning Gibbous
Last Quarter
Waning Crescent
Name the phase
• Phases of the moon simulators.
– http://aspire.cosmic-
ray.org/labs/moon/lunar_phase3.swf
• Earth Available Sheet, Formation,
Seasons, EM Field, Phases of the Moon.
Sun
Copyright © 2010 Ryan P. Murphy
Sun
Copyright © 2010 Ryan P. Murphy
Moon as
observed from
Earth
Sun
Copyright © 2010 Ryan P. Murphy
Sun
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• New Moon
• Waxing Crescent
• First Quarter
• Waxing Gibbous
• Full Moon
• Waning Gibbous
• Third Quarter
• Waning Crescent
• New Moon
• Waxing Crescent
• First Quarter
• Waxing Gibbous
• Full Moon
• Waning Gibbous
• Third Quarter
• Waning Crescent
• New Moon
• New Moon
• Waxing Crescent
• Waxing Crescent
• First Quarter
• First Quarter
• Waxing Gibbous
• Waxing Gibbous
• Full Moon
• Full Moon
• Waning Gibbous
• Waning Gibbous
• Third Quarter
• Third Quarter
• Waning Crescent
• Waning Crescent
• New Moon
• New Moon
• Recommendation! Hand sanitizing time.
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
Not on axis!
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
Draw earth in
middle of
plate on axis
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Activity! Phases of the Moon with OREOS
Draw earth
on paper
plate
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
...
• Video Link! Phases of the Moon, Eclipses,
– http://www.youtube.com/watch?v=nXseTWTZlks
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
New First Quarter Full Third Quarter
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Match the phase of the moon to the correct
picture.
Waxing Gibbous
First Quarter
Waning Crescent
Third Quarter...
• Activity! Arrange the Moons so they fit next to the
correct term.
New
Full
First Quarter
Third Quarter
Waxing
Crescent
W...
New
Full
First Quarter
Third Quarter
Waxing
Crescent
Waxing
Gibbous
Waning
Gibbous
Waning
Crescent
• Activity! Arrange the Moons so they fit next to the
correct term. Answer!
New
Full
First Quarter
Third Quarter
Waxing
Cr...
New
Full
First Quarter
Third Quarter
Waxing
Crescent
Waxing
Gibbous
Waning
Gibbous
Waning
Crescent
• Activity! Arrange the Moons so they fit next to the
correct term. Answer!
New
Full
First Quarter
Third Quarter
Waxing
Cr...
New
Full
First Quarter
Third Quarter
Waxing
Crescent
Waxing
Gibbous
Waning
Gibbous
Waning
Crescent
• Activity! Arrange the Moons so they fit next to the
correct term. Answer!
New
Full
First Quarter
Third Quarter
Waxing
Cr...
• This is a freaky picture of full moon inside of a
new moon inside of a full moon.
• This is a freaky picture of full moon inside of a
new moon inside of a full moon.
• This is a freaky picture of full moon inside of a
new moon inside of a full moon.
• New Moon
• New Moon
• Waxing Crescent
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Inner Planets Astronomy Lesson PowerPoint, Mercury, Venus, Earth, Mars,
Upcoming SlideShare
Loading in …5
×