1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Beyond the Solar System Earth and Moon Interactions Earth’s Movement Solar System The Planets

2. This is a hot ball of glowing gases.

3. What is a Star?

4. This is a group of stars that makes a pattern.

5. What is a constellation?

6. This makes things that are far away look clearer and bigger.

7. What is a telescope?

8. This is the only star that seems to stand still.

9. What is the North Star?

10. He used one of the first telescopes to see Saturn’s rings in the early 1600s.

11. Who is Galileo?

12. These are the different shapes the moon seems to have in the sky.

13. What are phases?

14. This happens when Earth’s shadow falls on the moon.

15. What is a lunar eclipse?

16. This happens when the moon moves between the Earth and the sun.

17. What is a solar eclipse?

18. This is how long the moon takes to go through all of its phases.

19. What is 29 ½ days?

20. This phase of the moon shows a little less that ¾ of the moon’s lighted side.

21. What is a gibbous moon?

22. This is the spinning of an object on its axis.

23. What is rotation?

24. This is the movement of an object around another object.

25. What is a revolution?

26. This is how long Earth takes to rotate.

27. What is 24 hours?

28. The Earth’s revolution causes these.

29. What are years?

30. The Earth’s tilt causes these?

31. What are seasons?

32. This is the sun and the objects that orbit around it.

33. What is the solar system?

34. This is the path an object takes as it moves around space.

35. What is an orbit?

36. This is a large body of rock or gas that orbits the sun.

37. What is a planet?

38. There are thousands of these between Mars and Jupiter.

39. What are asteroids?

40. This can only be seen when it gets close to the sun.

41. What is a comet?

42. This is the only planet that takes longer to rotate than it does to revolve.

43. What is Venus?

44. These planets have less than three moons.

45. What are the inner planets?

46. This is how long two revolutions of Jupiter would take.

47. What are 24 Earth years?

48. These planets are mostly larger than Earth.

49. What are the outer planets?

50. This is how long two rotations of Mars would take.

51. What are 50 Earth hours?