2. Ticket A 99 percent of the solar system’s mass is in the what. Click here for answer

3. Ticket A What is the Sun? Click here to go back to game

4. Ticket B In comparison to other stars’ sizes, the Sun is about a(n) _________ star. Click here for answer

5. Ticket B What is an average star? Click here to go back to game

6. Ticket C These two gases make up most of the Sun. Click here for answer

7. Ticket C What is hydrogen and helium? Click here to go back to the game

8. Ticket D A planet and four of its moons are shown. Click here for answer

9. Ticket D What is Jupiter? Click here to go back to game

10. Ticket E An object in the solar system is shown. Click here for answer

11. Ticket E What is a comet? Click here to go back to game

12. Ticket F This force holds the planets in their orbits. Click here for answer

13. Ticket F What is a gravitational force? Click here to go back to game

14. Ticket G This shape describes the paths that planets follow. Click here for answer

15. Ticket G What is an ellipse? Click here to go back to game

16. Ticket H The object has the most gravity. Click here for answer

17. Ticket H What is the Sun? Click here to go back to game

18. Ticket I This changes in 11 year cycles. Click here for answer

19. Ticket I What is the number of sunspots on the Sun? Click here to go back to game

20. Ticket J An astronaut in orbit around Earth experience this because they are in free fall. Click here for answer

21. Ticket J What is weightlessness? Click here to go back to game

22. Ticket K This planet completes an orbit around the Sun in less time than Earth does. Click here for answer

23. Ticket K What is Mercury? Click here to go back to game

24. Ticket L This planet has polar ice caps. Click here for answer

25. Ticket L What is Mars? Click here to go back to game

26. Ticket M The asteroid belt is located where in the solar system. Click here for answer

27. Ticket M What is between the orbits of Mars and Jupiter. Click here to go back to game

28. Ticket N This is the largest object in the solar system. Click here for answer

29. Ticket N What is the Sun. Click here to go back to gamelick here to go back to game

30. Ticket O This planet is most like Earth. Click here for answer

31. Ticket O What is Mars Click here to go back to game

32. Ticket P This is the shape that describes the paths that planets follow. Click here for answer

33. Ticket P What is an ellipse? Click here to go back to gamelick here to go back to game

34. Ticket Q This object has the most gravity. Click here for answer

35. Ticket Q What is the Sun? Click here to go back to gamelick here to go back to game

36. Ticket R This changes in 11 year cycles. Click here for answer

37. Ticket R What are the number of sunspots on the Sun? Click here to go back to gamelick here to go back to game

38. Ticket S This is made of the Sun and its planets, along with many moons, asteroids, and comets. Click here for answer

39. Ticket S What is the Solar System? Click here to go back to gamelick here to go back to game

40. Ticket T This is a large, round object that moves around a star, such as the Sun. Click here for answer

41. Ticket T What is a planet? Click here to go back to gamelick here to go back to game

42. Ticket U This term describes a shape like an oval. Click here for answer

43. Ticket U What is an ellipse? Click here to go back to gamelick here to go back to game

44. Ticket V This object orbits another object in space? Click here for answer

45. Ticket V What is a satellite? Click here to go back to gamelick here to go back to game

46. Ticket W This planet is the closest planet to the Sun. Click here for answer

47. Ticket W What is Mercury? Click here to go back to gamelick here to go back to game

48. Ticket X This planet is the solar system’s largest rocky planet. Click here for answer

49. Ticket X What is Earth? Click here to go back to gamelick here to go back to game

50. Ticket Y This is the second closest planet to the Sun. Click here for answer

51. Ticket Y What is Venus? Click here to go back to gamelick here to go back to game

52. Ticket Z This planet is known as the “Red Planet.” Click here for answer

53. Ticket Z What is Mars? Click here to go back to gamelick here to go back to game

54. Ticket 1 Mercury is covered with thousands of ______, similar to our Moon. Click here for answer

55. Ticket 1 What are craters? Click here to go back to gamelick here to go back to game

56. Ticket 2 This inner planet has an atmosphere of thick, swirling clouds. Click here for answer

57. Ticket 2 What is Venus? Click here to go back to gamelick here to go back to game

58. Ticket 3 This planet has lots of liquid water on its surface. Click here for answer

59. Ticket 3 What is Earth? Click here to go back to gamelick here to go back to game

60. Ticket 4 The atmosphere of this planet has enough oxygen to support plant or animal life. Click here for answer

61. Ticket 4 What is Earth? Click here to go back to gamelick here to go back to game

62. Ticket 5 This planet has many well-developed rings. Click here for answer

63. Ticket 5 What is Saturn? Click here to go back to gamelick here to go back to game

64. Ticket 6 This is the name of the seventh planet from the Sun. Click here for answer

65. Ticket 6 What is Uranus? Click here to go back to gamelick here to go back to game

66. Ticket 7 This is the largest planet in the solar system. Click here for answer

67. Ticket 7 What is Jupiter? Click here to go back to gamelick here to go back to game

68. Ticket 8 This planet is the smallest of the gas giants. Click here for answer

69. Ticket 8 What is Neptune? Click here to go back to gamelick here to go back to game

70. Ticket 9 This inner planet has a red, dusty surface. Click here for answer

71. Ticket 9 What is Mars? Click here to go back to gamelick here to go back to game