2. The Planets Units, classification, measurements FormationThe SunRandom 10 20 30 40 50

3. Question 1 - 10 2 part question: Which Planet is the hottest? Why?

4. Answer 1 – 10 Venus because of its runaway green house affect

5. Question 1 - 20 Why is Neptune blue?

6. Answer 1 – 20 The methane in its atmosphere

7. Question 1 - 30 What makes Mars red?

8. Answer 1 – 30 The iron oxide in its soil

9. Question 1 - 40 Which planets have rings? (name them all for points)

10. Answer 1 – 40 Jupiter Saturn Uranus Neptune

11. Question 1 - 50 How far away from the sun is the planet Earth (answer given in miles)

12. Answer 1 – 50 93 million miles

13. Question 2 - 10 How many miles are in an astronomical Unit (AU)

14. Answer 2 – 10 93 million miles in 1AU

15. Question 2 - 20 What is the average surface temperature on Venus? (degrees F)

16. Answer 2 – 20 900 degrees F

17. Question 2 - 30 What is the classification given to planets like Mars and Earth?

18. Answer 2 – 30 Terrestrial planets

19. Question 2 - 40 What is the classification given to planets like Jupiter and Neptune?

20. Answer 2 – 40 Jovian or Gas Giants

21. Question 2 - 50 When rotation of a planet is counterclockwise, what is it called

22. Answer 2 – 50 Prograde rotation

23. Question 3 - 10 New solar systems are born from what?

24. Answer 3 – 10 Nebula cloud

25. Question 3 - 20 What pulls the matter in the nebula cloud together?

26. Answer 3 – 20 Gravity

27. Question 3 - 30 On what two properties does the force of gravity between two objects depend on?

28. Answer 3 – 30 Mass and distance

29. Question 3 - 40 Why are the gas giant planets so large?

30. Answer 3 – 40 Gas giants were formed far out in the solar nebula, where it was cold and there was more solid material (dust and ice) for the planets to collect.

31. Question 3 - 50 Explain why there is only one planet in each orbit around the sun.

32. Answer 3 – 50 The largest planetesimals In an orbit collected the rest of the material and became a planet

33. Question 4 - 10 What is occurring in the core of the sun?

34. Answer 4 – 10 nuclear fusion

35. Question 4 - 20 What two gases make up the composition of the sun?

36. Answer 4 – 20 Hydrogen and helium

37. Question 4 - 30 About how old is the sun?

38. Answer 4 – 30 about 4.6 billion years old

39. Question 4 - 40 What layer of the sun do we see from Earth?

40. Answer 4 – 40 The photosphere

41. Question 4 - 50 What causes auroras in the Earth’s atmosphere?

42. Answer 4 – 50 Solar flares interact with the earths atmosphere

43. Question 5 - 10 What shape are the planets orbits?

44. Answer 5 – 10 an ellipse

45. Question 5 - 20 What is a lunar eclipse?

46. Answer 5 – 20 The shadow of the earth falls on the moon (the Earth is between the sun and the moon)

47. Question 5 - 30 What causes a solar eclipse

48. Answer 5 – 30 The moon comes between the Earth and the sun and the moon casts a shadow on the Earth

49. Question 5 - 40 Define perihelion

50. Answer 5 – 40 The point in the orbit that is closest to the sun

51. Question 5 - 50 What causes a meteor shower

52. Answer 5 – 50 Meteor showers occur when Earth passes through the dusty debris of a comets orbit.

53. Final Jeopardy

54. Carl Sagan was a famous cosmologist and the creator of the original series “The Cosmos.” He often says that “We are made of star stuff.” Using what you have learned about the formation of the solar system, explain what he means by this. “If you wish to make an apple pie from scratch, you must first invent the universe”—Carl Sagan