The universe santillana 1 ESO

1. Essential Natural Science 1
Unit 1
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2. Essential Natural Science 1
Unit 1
Contents
The Universe
Theories
Components
Units of measurement
Timeline
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The Solar System
Components
Movement of planets
Outer planets
Components
Inner planets
Components
Dwarf planets and small solar system bodies
Components
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3. Essential Natural Science 1
Unit 1
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What are the
different theories
about the
Universe?
What makes up
the Universe?
What units of
measurement do
astronomers
use?
Timeline What makes
up the Solar
System?
How do the
planets move?
Which are the
inner planets?
Which are the
outer planets?
What are dwarf
planets and small
solar system
bodies?
Interactive activity:
Solar system
bodies
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Links
Animation:
The Solar System

4. Essential Natural Science 1
Unit 1
What are the different theories about the Universe?
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4,000 YEARS AGO
3,000 YEARS AGO
ANCIENT GREECE
500 YEARS AGO
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5. Essential Natural Science 1
Unit 1
What are the different theories about the Universe?
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4,000 years ago
Origin
of
Astrology
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6. Essential Natural Science 1
Unit 1
What are the different theories about the Universe?
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Orion
Scorpio
3,000 years ago
Mythology
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7. Essential Natural Science 1
Unit 1
What are the different theories about the Universe?
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Ancient Greece
Geocentric
theory
The Earth was the
centre of the
Universe.
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8. Essential Natural Science 1
Unit 1
What are the different theories about the Universe?
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500 years ago
Heliocentric
theory
The Sun was the
centre of the
Universe.
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9. Essential Natural Science 1
Unit 1
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What makes up the Universe?
Galaxy cluster
Milky Way
Solar System
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10. Essential Natural Science 1
Unit 1
Animation: The Solar System
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11. Essential Natural Science 1
Unit 1
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What units of measurements do astronomers use?
SUN
EARTH
Astronomical unit (AU)
The distance between the
Earth and the Sun: about
150 million kilometres
Seconds
0
Light-year
The distance light travels
in one year: about
9.5 trillion km
Kilometres
0
1
300,000
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UNITS OF MEASUREMENT

12. Essential Natural Science 1
Unit 1
Timeline
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Nicolas Copernicus Heliocentric theory
Tycho Brahe Planet movement
Johannes Kepler Calculates planetary orbits
Galileo Galilei Invented the telescope
to study space
Discovery of Uranus
Johann Galle Discovery of Neptune
Radio telescopes
First person walks on Moon
Space telescopes
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13. Essential Natural Science 1
Unit 1
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What makes up the Solar System?
outer planets
Suninner planets
asteroid belt
dwarf planet
Kuiper belt
Oort cloud
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14. Essential Natural Science 1
Unit 1
How do the planets move?
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revolution
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ecliptic plane rotation
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orbit

15. Essential Natural Science 1
Unit 1
How do the planets move?
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ecliptic plane
orbit
rotational axis
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ROTATION
REVOLUTION
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16. Essential Natural Science 1
Unit 1
Which are the inner planets?
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Mercury
EarthVenus
Mars
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17. Essential Natural Science 1
Unit 1
Mercury
Earth
Characteristics
Which are the inner planets?
Satellites: none
Atmosphere: none
Temperature: -180 to 430 ºC
Diameter: 4,880 km
Size: the smallest planet
Distance: the closest to the Sun
Mars
Venus
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18. Essential Natural Science 1
Unit 1
Mercury
Venus Earth
Which are the inner planets?
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Mars
Characteristics
Satellites: none
Atmosphere: CO2
Temperature: 465 ºC
Diameter: 12,104 km
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19. Essential Natural Science 1
Unit 1
Characteristics
Mercury
Which are the inner planets?
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Satellites: 1
Atmosphere: N2+O2
Diameter: 12,740 km
Fact: the only planet
with life
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Earth
Mars
Venus
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20. Essential Natural Science 1
Unit 1
Characteristics
Mercury
Earth
Which are the inner planets?
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Satellites: 2
(Deimos and Phobos)
Atmosphere: CO2
Temperature: - 50 ºC
Diameter: 6,794 km
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Mars
Venus
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21. Essential Natural Science 1
Unit 1
Which are the outer planets?
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Jupiter
Saturn
Uranus
Neptune
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22. Essential Natural Science 1
Unit 1
Characteristics
Jupiter
Which are the outer planets?
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Satellites: 63
Largest moons: Io, Callisto,
Europa and Ganymede
Diameter: 142,984 km
Size: the largest planet
Uranus
Neptune
Saturn
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23. Essential Natural Science 1
Unit 1
Characteristics
Jupiter
Which are the outer planets?
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Satellites: 59
Largest moon: Titan
Diameter: 120,536 km
Size: the second largest
Fact: a system of rings
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Saturn
Uranus
Neptune
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24. Essential Natural Science 1
Unit 1
Characteristics
Satellites: 27
Diameter: 51,118 km
Axis: almost horizontal
Fact: a system of rings
Jupiter
Saturn
Uranus
Neptune
Which are the outer planets?
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25. Essential Natural Science 1
Unit 1
Characteristics
Jupiter
Saturn
Uranus
Neptune
Which are the outer planets?
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Satellites: 13
Diameter: 49,528 km
Size: smaller than Uranus
Distance: the most distant
from the Sun
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26. Essential Natural Science 1
Unit 1
• Ceres
• Eris
Dwarf planets and small Solar System bodies
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Dwarf planets
Small solar
system bodies
RESOURCES
• Pluto
• asteroids
• comets
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27. Essential Natural Science 1
Unit 1
Dwarf planets and small Solar System bodies
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Pluto
RESOURCES
• Ceres
• Eris
Dwarf planets
• Pluto
Small solar
system bodies
• asteroids
• comets
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28. Essential Natural Science 1
Unit 1
Dwarf planets and small Solar System bodies
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asteroid belt
Kuiper belt
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Small solar
system bodies
• asteroids
• comets
• Ceres
• Eris
Dwarf planets
• Pluto
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29. Essential Natural Science 1
Unit 1
Dwarf planets and small Solar System bodies
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Oort cloud
comet orbit
RESOURCES
Small solar
system bodies
• comets
• asteroids
• Ceres
• Eris
Dwarf planets
• Pluto
comet
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30. Essential Natural Science 1
Unit 1
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Interactive activity: Solar System bodies
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31. Essential Natural Science 1
Unit 1
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Links
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The Solar SystemThe Universe
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