1. What Do You Know about our Solar System???

2. Is Pluto bigger, smaller or the same size as the Earth's moon?

3. Is Pluto bigger, smaller or the same size as the Earth's moon?

4. Which planet is closest to the Sun?
Mercury
Earth
Venus
EARTH

5. Which planet is closest to the Sun?
Mercury
Earth
Venus
EARTH

6. What is the maximum temperature on the surface of Mercury (degrees Celsius)?

7. What is the maximum temperature on the surface of Mercury (degrees Celsius)?
4270 C OUCH!
9370 C

8. fourth planet from the Sun fifth planet from the Sun
Earth is the ...
third planet from the Sun
fourth planet from the Sun
fifth planet from the Sun
EARTH

9. fourth planet from the Sun fifth planet from the Sun
Earth is the ...
third planet from the Sun
fourth planet from the Sun
fifth planet from the Sun
EARTH

10. What is the minimum distance between Mars and Earth?
56 million km
264 million km
837 million km
EARTH

11. What is the minimum distance between Mars and Earth?
56 million km
264 million km
837 million km
EARTH

12. What is the maximum temperature on Mars (degrees Celsius)?

13. What is the maximum temperature on Mars (degrees Celsius)?
170 C BRR!
670 C
1070 C

14. Which is the biggest planet?
Uranus
Jupiter
Saturn

15. Which is the biggest planet?
Uranus
Jupiter
Saturn

16. Which 4 planets are closest to the sun?
Mercury, Venus, Earth and Mars
Mercury, Saturn, Uranus and Mars
Uranus, Jupiter, Earth and Saturn
EARTH

17. Which 4 planets are closest to the sun?
Mercury, Venus, Earth and Mars
Mercury, Saturn, Uranus and Mars
Uranus, Jupiter, Earth and Saturn
EARTH

18. How far is Uranus from the Sun?
683 million km
2.8 billion km
23.7 billion km

19. How far is Uranus from the Sun?
683 million km
2.8 billion km
23.7 billion km

20. Which planet is most similar to Earth in size, mass, composition and distance from the Sun?
Uranus
Mars
Venus

21. Which planet is most similar to Earth in size, mass, composition and distance from the Sun?
Uranus
Mars
Venus

22. Which planet is 'The Red Planet' ?
Saturn
Uranus
Mars

23. Which planet is 'The Red Planet' ?
Saturn
Uranus
Mars

24. Which is the smallest planet in the Solar System (not counting Pluto)?
Mars
Earth
Mercury
EARTH

25. Which is the smallest planet in the Solar System (not counting Pluto)?
Mars
Earth
Mercury
EARTH

26. How many planets are visible from Earth without a telescope?4 5 6

27. How many planets are visible from Earth without a telescope?4 5 6

28. What do all inner planets have in common?
period of revolution
diameter
size and rocky surfaces
period of rotation
EARTH

29. What do all inner planets have in common?
period of revolution
diameter
size and rocky surfaces
period of rotation
EARTH

30. Aside from Earth, which inner planet once had water on its surface?
A. Mercury
B. Europa
C. Venus
D. Mars
EUROPA
EARTH

31. Aside from Earth, which inner planet once had water on its surface?
A. Mercury
B. Europa
C. Venus
D. Mars
EUROPA
EARTH

32. What do the four outer planets have in common?
A. larger than Earth and are made mainly of gases. B. nearly the same size as Earth and are made mainly of gases. C. much larger than Earth and are solid. D. about the same size as Earth and are solid.

33. What do the four outer planets have in common?
A. larger than Earth and are made mainly of gases. B. nearly the same size as Earth and are made mainly of gases. C. much larger than Earth and are solid. D. about the same size as Earth and are solid.

34. The atmospheres of the gas giant planets cannot escape into space because
A. the gases are too heavy. B. the gases solidify at higher elevations. C. the planets have very strong gravities. D. although they are big, the planets have little mass.

35. The atmospheres of the gas giant planets cannot escape into space because
A. the gases are too heavy. B. the gases solidify at higher elevations. C. the planets have very strong gravities. D. although they are big, the planets have little mass.

36. Pluto is different from the other outer planets because it
A. is almost entirely made of gases.
B. is much larger than the others.
C. Has he most moons.
D. is small and has a solid surface.

37. Pluto is different from the other outer planets because it
A. is almost entirely made of gases.
B. is much larger than the others.
C. Has he most moons.
D. is small and has a solid surface.

38. The asteroid belt is located
A. between Earth and Mars.
B. between Mars and Jupiter.
C. between Jupiter and Saturn.
D. between Saturn and Uranus.

39. The asteroid belt is located
A. between Earth and Mars.
B. between Mars and Jupiter.
C. between Jupiter and Saturn.
D. between Saturn and Uranus.

40. Earth is unique among the planets because of
A. its rocky surface. B. its oceans. C. its large size. D. the direction in which it rotates.
EARTH

41. Earth is unique among the planets because of
A. its rocky surface. B. its oceans. C. its large size. D. the direction in which it rotates.
EARTH

42. Venus and Earth are much alike in terms of
A. atmospheres
B. rates of rotation.
C. size and density.
D. direction of rotation.
EARTH

43. Venus and Earth are much alike in terms of
A. atmospheres
B. rates of rotation.
C. size and density.
D. direction of rotation.
EARTH

44. Saturn’s rings are made up mostly of
A. nitrogen and helium. B. water vapor. C. volcanic dust particles. D. chunks of ice and rock.

45. Saturn’s rings are made up mostly of
A. nitrogen and helium. B. water vapor. C. volcanic dust particles. D. chunks of ice and rock.

46. Uranus is different from most other planets because it
A. is the farthest from the sun. B. is mostly nitrogen and helium. C. rotates on its side. D. has the most moons.

47. Uranus is different from most other planets because it
A. is the farthest from the sun. B. is mostly nitrogen and helium. C. rotates on its side. D. has the most moons.

48. Which is the only planet know to have liquid water?
Saturn
Mars
Earth
Jupiter
EARTH

49. Which is the only planet know to have liquid water?
Saturn
Mars
Earth
Jupiter
EARTH

50. What gas is most common in the atmospheres of the gas giants?
Methane
Hydrogen
Oxygen
Nitrogen

51. What gas is most common in the atmospheres of the gas giants?
Methane
Hydrogen
Oxygen
Nitrogen