1. How Earth
Moves
Reasons
for the
Seasons
The
Moon
Eclipses
Potpourri
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2. the imaginary line that passes through Earth’s center and at the North and South poles

3. What is Earth’s axis?

4. Earth’s spinning spinning on its axis is known as this.

5. What is rotation?

6. the movement of one object around another object

7. What is revolution?

8. 364 1/4 days

9. How long does it take the Earth to complete one revolution around the sun?

10. the study of the moon, stars, and other objects in space

11. What is astronomy?

12. Earth’s spinning on its axis is known as this

13. What is rotation?

14. if Earth’s axis was straight up and down we would not have these

15. What are seasons?

16. the angle of Earth’s axis

17. What is 23.5º?

18. the measurement of distance from the equator expressed in degrees north or south

19. What is latitude?

20. when the noon sun is overhead at either 23.5º south or north

21. What is a solstice?

22. the time when the the noon sun is directly overhead at the equator

23. What is an equinox?

24. the different shapes of the moon you see from Earth

25. What are phases?

26. what it’s called when the moon is growing larger

27. What is waxing?

28. what it’s called when the moon is getting smaller

29. What is waning?

30. this is when you can see the entire side of the moon

31. What is a full moon?

32. 384,400 kilometers

33. How far is the moon from the Earth?

34. this occurs when the moon passes between Earth and the sun, blocking the sunlight from reaching Earth

35. What is a solar eclipse?

36. the darkest part of the moon’s shadow

37. What is the umbra?

38. this occurs at a full moon when Earth is directly between the moon and the sun

39. What is a lunar eclipse?

40. the type of eclipse you are most likely to see

41. What is a lunar eclipse?

42. the rise and fall of water every 12.5 hours or so

43. What are tides?

44. Giant stones erected by ancient peoples in what is now the British Isles

45. What is Stonehenge?

46. this occurs around September 23

47. What is the autumnal equinox?

48. this happens around March 21

49. What is the vernal or spring equinox?

50. an instrument used to find the position of stars and planets used by astronomers in ancient Egypt

51. What is an astrolabe?