1. Sun Earth & Moon System

2. What term is represented by letter A?
Penumbra

3. Waning Moon phase in which only one-half of the lighted side of the Moon can be seen from Earth
3rd Quarter

4. Which position represents summer in the northern hemisphere?D C A B C

5. Waxing Crescent

6. When the amount of the Moon’s lighted surface seen on Earth increases
Waxing

7. A round three-dimensional object; Earth’s shape
Sphere

8. The changing appearances of the Moon as seen from Earth
Moon Phases

9. When all of the Moon’s surface that faces Earth is lit up
Full Moon

10. Which position represents summer in the southern hemisphere?D C A B A

11. When the Moon temporarily blocks the sunlight reaching Earth
Solar Eclipse

12. Waxing Moon phase in which one-half of the Moon’s lighted side can be seen from Earth
1st Quarter

13. Which position represents winter in the northern hemisphere?D C A B A

14. Reached when the Sun’s position is directly over Earth’s equator
equinox

15. The imaginary line that Earth spins around
Axis

16. What term is represented by letter B?
Umbra

17. Phase that occurs when the Moon is between Earth and the Sun and cannot be seen
New Moon

18. Third Quarter

19. Which position represents fall in the southern hemisphere?D C A B B

20. The spinning of Earth on its axis
rotation

21. When Earth’s shadow falls on the Moon
lunar eclipse

22. Which position represents winter in the southern hemisphere?D C A B C

23. When the amount of the Moon’s lighted side that can be seen becomes smaller
waning

24. The point at which the Sun reaches it greatest distance north or south of the equator
solstice

25. Waning Gibbous

26. Earth’s yearly orbit around the Sun
revolution

27. Which position represents spring in the southern hemisphere?D C A B D

28. Which position represents spring in the northern hemisphere?D C A B B

29. During what phase of the Moon do all lunar eclipses happen?
Full Moon

30. Where must you be to observe a lunar eclipse?
On the night-side of Earth

31. Which position of Earth represents a solstice?D C A B
A or C

32. Waxing Gibbous

33. Which position of Earth represents a equinox?D C A B
B or D

34. First Quarter

35. What portion of the Moon is always lit by the Sun?
½ of the surface

36. Waning Crescent

37. Solar Eclipse

38. When it is summer in the southern hemisphere then it is _____________ in the northern hemisphere
Winter

39. Lunar Eclipse

40. An elongated, closed curve
ellipse