Solar System Quiz

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Ready...

1. How many planets are in the Solar System?

2. a. 8

3. b. 9
4. c. 10

5. d. 12

6. How old is the Solar System?

7. a. 65 million years

8. b. 1.2 billion years
9. c. 4.6 billion years

10. d. 13.7 billion years

11. What is the biggest moon in the Solar System?

12. a. The Moon

13. b. Ganymede
14. c. Titan

15. d. Triton

16. What is the least dense planet in the Solar System?

17. a. Jupiter

18. b. Saturn
19. c. Uranus

20. d. Neptune

21. What is the most dense planet in the Solar System?

22. a. Mercury

23. b. Venus
24. c. Earth

25. d. Mars

26. Where is the tallest mountain in the Solar System?

27. a. Mercury

28. b. Venus
29. c. Earth

30. d. Mars

31. How many planets are known to have life?

32. a. 0

33. b. 1
34. c. 2

35. d. 3

36. What is the most abundant element in the Solar System?

37. a. oxygen

38. b. helium
39. c. carbon
40. d. hydrogen

Answers: 1. a, 2. c, 3. b, 4. b, 5. c, 6. d, 7. b, 8. d

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3 D Solar System