Moon Phases

4. A phenomena or process that repeats itself such as moon phases or day & night.
6. When the lighted part of the moon is getting smaller (light is on the left)
10. The motion of an object spilling on its axis.
13. The motion of one object as it moves around another object.
14. The amount of time a planet takes to make one full revolution around the sun.

1. The imaginary line through Earth that extends from the north pole to the south pole and is the center of the Earth's rotation.
2. When less than half of the moon is illuminated from our point of view.
3. The amount of time a planet takes to complete one full rotation on its axis.
5. The shape of the illuminated (lighted) part of the moon as seen by an observer, usually from the perspective of Earth.
7. When no part of the illuminated half of the moon is facing Earth (the first phase).
8. When all of the illuminated half of the moon is facing Earth.
9. When more than half of the moon is illuminated from our point of view.
11. When the lighted part of the moon is getting bigger (light is on the right)
12. The path an object takes as it revolves around another object.