Sun, Moon and Earth System Vocab

2. An eclipse event occurs when the ________ of one object is casted on another object.
3. Time of day when half of the Earth is pointed towards the Sun.
6. The lightest part of a shadow.
11. An event that occurs when the Moon is in the shadow of the Earth.
12. It takes 24 _______ for the Earth to spin once on its axis.
14. Time of the day when half of the Earth is pointed away from the Sun.
15. When the portion of the illuminated moon is increasing.
16. The time of year when the Sun's energy is most directly on the northern or southern hemisphere.
17. The shape of the Earth's orbit.
18. Time of the year when the Sun's energy is most directly on the Equator, and there is equal heating in both northern and southern hemisphere.
19. Moon phase when the right side of the Moon (from Earth) is illuminated.
23. An event that occurs when the Moon's shadow is on the Earth's surface.
25. The path an object takes as it revolves around another.
27. A natural object that orbits another.

1. Moon phase when the left side of the Moon (as seen from Earth) is illuminated.
4. The force of attraction between two objects.
5. Moon phase when the Earth is between the Moon and Sun. The entire half of the Moon, that can be seen from Earth, is illuminated.
7. The darkest part of a shadow.
8. An object in space that was not put there by humans.
9. Moon phase when the Moon is directly between the Sun and Earth, no part of the Moon can be seen from Earth.
10. The spinning of an object around an axis.
13. The amount of time it takes for the Earth to orbit the Sun.
20. The orbital motion around the Sun, which is caused by the Sun's gravity.
21. Point or line on which an object spins
22. When the portion of the illuminated moon is decreasing.
24. When less than half of the Moon is illuminated (as seen from Earth).
26. When more than half of the Moon is illuminated (as seen from Earth).