1 ESO Science

1. Essential Natural Science 1
HOME CONTENTS RESOURCES ACTIVITY LINKS Unit 1
CONTENTS
RESOURCES
ACTIVITY
LINKS
BACK CLOSE

2. Essential Natural Science 1
Unit 1
Contents
The Universe
Theories
Components
Units of measurement
Timeline
HOME
The Solar System
Components
Movement of planets
Outer planets
Components
Inner planets
Components
Dwarf planets and small solar system bodies
Components
HOME
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS

3. Essential Natural Science 1
Unit 1 HOME
HOME
Resources
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
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS
Links
Animation:
The Solar System

4. Essential Natural Science 1
Unit 1
What are the different theories about the Universe?
HOME
4,000 YEARS AGO
3,000 YEARS AGO
ANCIENT GREECE
500 YEARS AGO
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS

5. Essential Natural Science 1
Unit 1
CONTENTS RESOURCES
What are the different theories about the Universe?
HOME
4,000 years ago
Origin
of
Astrology
GO BACK
BACK CLOSE
ACTIVITY LINKS

6. Essential Natural Science 1
Unit 1
CONTENTS RESOURCES
What are the different theories about the Universe?
HOME
Orion
Scorpio
3,000 years ago
Mythology
GO BACK
BACK CLOSE
ACTIVITY LINKS

7. Essential Natural Science 1
Unit 1
CONTENTS RESOURCES
What are the different theories about the Universe?
HOME
Ancient Greece
Geocentric
theory
The Earth was the
centre of the
Universe.
GO BACK
BACK CLOSE
ACTIVITY LINKS

8. Essential Natural Science 1
Unit 1
CONTENTS RESOURCES
What are the different theories about the Universe?
HOME
500 years ago
Heliocentric
theory
The Sun was the
centre of the
Universe.
GO BACK
BACK CLOSE
ACTIVITY LINKS

9. Essential Natural Science 1
Unit 1 HOME
What makes up the Universe?
Galaxy cluster
Milky Way
Solar System
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS

10. Essential Natural Science 1
Unit 1
HOME CONTENTS RESOURCES
Animation: The Solar System
BACK CLOSE
ACTIVITY LINKS
OOPPEENN

11. Essential Natural Science 1
Unit 1 HOME
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
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS
UNITS OF MEASUREMENT

12. Essential Natural Science 1
Unit 1
CONTENTS RESOURCES
Timeline
HOME
16th
17th
18th
19th
20th
CENTURY
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
BACK CLOSE
ACTIVITY LINKS

13. Essential Natural Science 1
Unit 1 HOME
What makes up the Solar System?
outer planets
inner planets Sun
asteroid belt
dwarf planet
Kuiper belt
Oort cloud
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS

14. Essential Natural Science 1
Unit 1
CONTENTS
How do the planets move?
HOME
revolution
ENLARGE
IMAGE
RESOURCES
ecliptic plane rotation
BACK CLOSE
ACTIVITY LINKS
orbit

15. Essential Natural Science 1
Unit 1
How do the planets move?
HOME
orbit
ecliptic plane
rotational axis
GO BACK
RESOURCES
ROTATION
REVOLUTION
C
CONTENTS
BACK CLOSE
ACTIVITY LINKS

16. Essential Natural Science 1
Unit 1
Which are the inner planets?
HOME
Mercury
Venus Earth
Mars
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS

17. Essential Natural Science 1
Unit 1
HOME CONTENTS RESOURCES
Which are the inner planets?
Mercury
Earth
Characteristics
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
BACK CLOSE
ACTIVITY LINKS

18. Essential Natural Science 1
Unit 1
HOME RESOURCES
Which are the inner planets?
Mercury
Venus Earth
Mars
Characteristics
Satellites: none
Atmosphere: CO2
Temperature: 465 ºC
Diameter: 12,104 km
CONTENTS
BACK CLOSE
ACTIVITY LINKS

19. Essential Natural Science 1
Unit 1
CONTENTS
Which are the inner planets?
Characteristics
Mercury
HOME
Satellites: 1
Atmosphere: N2+O2
Diameter: 12,740 km
Fact: the only planet
with life
RESOURCES
Earth
Mars
Venus
BACK CLOSE
ACTIVITY LINKS

20. Essential Natural Science 1
Unit 1
Characteristics
CONTENTS
Mercury
Earth
Which are the inner planets?
HOME
Satellites: 2
(Deimos and Phobos)
Atmosphere: CO2
Temperature: - 50 ºC
Diameter: 6,794 km
RESOURCES
Mars
Venus
BACK CLOSE
ACTIVITY LINKS

21. Essential Natural Science 1
Unit 1
HOME RESOURCES
Which are the outer planets?
Jupiter
Saturn
Uranus
Neptune
CONTENTS
BACK CLOSE
ACTIVITY LINKS

22. Essential Natural Science 1
Unit 1
HOME RESOURCES
Which are the outer planets?
Characteristics
Jupiter
Satellites: 63
Largest moons: Io, Callisto,
Europa and Ganymede
Diameter: 142,984 km
Size: the largest planet
Uranus
Neptune
Saturn
CONTENTS
BACK CLOSE
ACTIVITY LINKS

23. Essential Natural Science 1
Unit 1
Which are the outer planets?
Characteristics
Jupiter
HOME
Satellites: 59
Largest moon: Titan
Diameter: 120,536 km
Size: the second largest
Fact: a system of rings
RESOURCES
Saturn
Uranus
Neptune
CONTENTS
BACK CLOSE
ACTIVITY LINKS

24. Essential Natural Science 1
Unit 1
Characteristics
Satellites: 27
Diameter: 51,118 km
Axis: almost horizontal
Fact: a system of rings
HOME CONTENTS RESOURCES
Jupiter
Saturn
Uranus
Neptune
Which are the outer planets?
BACK CLOSE
ACTIVITY LINKS

25. Essential Natural Science 1
Unit 1
Characteristics
Jupiter
Saturn
Uranus
Neptune
Which are the outer planets?
HOME
Satellites: 13
Diameter: 49,528 km
Size: smaller than Uranus
Distance: the most distant
from the Sun
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS

26. Essential Natural Science 1
Unit 1
CONTENTS
Dwarf planets and small Solar System bodies
HOME
Dwarf planets
• Ceres
• Eris
Small solar
system bodies
RESOURCES
• Pluto
• asteroids
• comets
BACK CLOSE
ACTIVITY LINKS

27. Essential Natural Science 1
Unit 1
CONTENTS
Dwarf planets and small Solar System bodies
HOME
Pluto
RESOURCES
Dwarf planets
• Pluto
• Ceres
• Eris
Small solar
system bodies
• asteroids
• comets
BACK CLOSE
ACTIVITY LINKS

28. Essential Natural Science 1
Unit 1
CONTENTS
Dwarf planets and small Solar System bodies
HOME
asteroid belt
Kuiper belt
RESOURCES
Dwarf planets
• Pluto
• Ceres
• Eris
Small solar
system bodies
• asteroids
• comets
BACK CLOSE
ACTIVITY LINKS

29. Essential Natural Science 1
Unit 1
Dwarf planets and small Solar System bodies
HOME
Oort cloud
comet orbit
RESOURCES
Dwarf planets
• Pluto
• Ceres
• Eris
Small solar
system bodies
• asteroids
• comets
comet
C
CONTENTS
BACK CLOSE
ACTIVITY LINKS

30. Essential Natural Science 1
CONTENTS RESOURCES
Unit 1 HOME
HOME
Interactive activity: Solar System bodies
BACK CLOSE
ACTIVITY LINKS
OOPPEENN

31. Essential Natural Science 1
Unit 1 HOME
Links
HOME
CONTENTS RESOURCES
BACK CLOSE
ACTIVITY LINKS
GO TO WEBSITE
The Universe The Solar System
GO TO WEBSITE