Ch 11 - The Solar System

18. Although Mercury is closer to the Sun, why is Venus hotter?

21. In the comet picture attached, what does letter B represent?

11. Which planet has no atmosphere?

8. Which dwarf planet is located in the asteroid belt?

19. All of the outer planets have which of the following?

3. Two of the inner planets are ____.

30. Which is a terrestrial planet?

12. What is the basic shape of every planet’s orbit?

20. In the comet picture attached, what does letter A represent?

4. Mercury is the ____ planet from the Sun.

28. Which planet has liquid water oceans?

15. Which planet is the largest planet in the solar system and has a large storm called the Great Red Spot?

17. What do you call a small rocky particle from space that strikes the Earth before completely burning up?

13. Venus and Earth both experience a ____ because of heat trapped by their atmospheres.

26. Which planet has an axis of rotation tilted on its side?

6. What is the astronomical unit based on?

7. The orbits of ____ lie closer to the Sun than does Earth's orbit.

5. Which of the following is NOT a dwarf planet?

23. Which planet is covered with rust and has polar ice caps?

27. Which planet has the solar system's largest volcano called Olympus Mons?

2. A comet develops a tail because of ____.

24. Which planet is the farthest away from the Sun?

1. Solar energy trapped by gases in Venus's atmosphere causes ____.

16. Which of the following is a common trait of the inner planets?

29. Which planet only has one moon?

22. In the comet picture attached, what does letter C represent?

9. ____ is the third planet from the Sun.

25. Which planet is known for its most complex ring system?

10. Small pieces of rock that enter Earth's atmosphere and burn up are called ____.

14. What causes planets to revolve around the Sun rather than going off in a straight line into space?