4. Earth/ Moon MercuryVenusMarsJupiter Saturn AA $ 200 $ 200$200 $ 200 $ 200 $400 $ 400$400 $ 400$400 $600 $ 600$600 $ 600 $ 600 $ 600 $800 $ 800$800 $ 800 $ 800 $ 800 $ 1000$1000 $ 1000 $ 1000 $ 1000 $ 1000

5. $200 Oxygen What gas is mostly found due to life processes?

6. $400 It has slowed down gradually (.0015 sec per 100 years) What has happened to Earth’s rotation over time?

7. $600 By trapping outgoing radiation from Earth The greenhouse effect works by trapping..

8. $800 auroras What do we get when we displace solar winds towards the poles of a planet?

9. $1000 Small meteorites breaking up the regolith What is the major erosion force on the moon?

10. $200 It is so close to the sun. Why can’t we view Mercury from Earth?

11. $400 Because of the view from Earth, they pass in front of and behind the sun. Why do the Moon and Mercury both have phases?

12. $600 It has no atmosphere to moderate temperatures Why is Mercury hot during its day and so cold during its night?

13. $800 They don’t have permanent atmospheres How do the atmospheres of the moon and Mercury compare?

14. $1000 It spins so slowly Besides its atmosphere why is Mercury’s temperature so extreme?

15. $200 243 days How long does Venus take to orbit on its axis (rotational period)

16. $400 Raised the temperature by hundreds of degrees celsius What has the greenhouse effect done on Venus?

17. $600 Carbon dioxide What is the main ingredient in the atmosphere of Venus?

18. $800 What is the composition of the clouds of Venus? Sulfuric Acid

19. $1000 It’s Slow Rotation Why does Venus not have a magnetic field?

20. $200 It is farther away, less reflective Why does Mars appear fainter in the night sky than Venus?

21. $400 24 hours, 39 minutes How long is a day on Mars?

22. $600 It has a much more elliptical orbit than Earth Why are the seasons on Mars effected by its distance from the sun?

23. $800 Valles Marineris and Olympus Mons What is the Solar Systems greatest Canyon and greatest volcano?

24. $1000 It is frozen in the polar ice caps and perma frost What might have happened to the water vapor on Mars?

25. $200 It is the fastest in the solar system What is interesting about Jupiter’s rotation?

26. $400 Why are there variations in Jupiter’s zones and belts? Zonal flow and differential rotation

27. $600 More mass What would Jupiter need to become a star?

28. $800 It stretches beyond Saturn’s orbit How large is Jupiter’s magnetosphere?

29. $1000 Which of the Galilean moons is geologically active? Which is the oldest? Which is the largest? IO, Callisto and Gannymeade

30. $200 Because of its density, Saturn is the only planet that could

31. $400 Hydrogen and helium The atmosphere of Saturn is composed of

32. $600 nitrogen The atmosphere of titan is composed mostly of

33. $800 Small icy particles orbiting Saturn What are Saturn’s rings?

34. $1000 They fall within the Roche limit The reason the rings exist is