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

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

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

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

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

6. 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

7. 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

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

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

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

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

12. Which is the biggest planet?
Uranus
Jupiter
Saturn

13. Which is the biggest planet?
Uranus
Jupiter
Saturn

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

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

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

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

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

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

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

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

22. Which is the smallest planet in the Solar System?
Mars
Earth
Mercury
EARTH

23. Which is the smallest planet in the Solar System?
Mars
Earth
Mercury
EARTH

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

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

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

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

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

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

30. 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.

31. 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.

32. 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.

33. 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.

34. 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.

35. 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.

36. 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

37. 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

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

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

40. 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.

41. 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.

42. 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.

43. 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.

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

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

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

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