Unit 6 Vocabulary Review

3. Moon phase in which less than half of the Moon appears to be illuminated.
5. Moon phase in which exactly half of the Moon appears to be illuminated (occurs when the Moon has gone three quarters of the way around Earth).
9. the path of a celestial body (such as a moon or a planet) around a larger celestial body.
11. The entire side of the moon is visible in the sky
13. any flat dark plain of lower elevation on the moon
15. the moon is growing larger within the sky
17. a process by which surface materials are moved by natural processes such as wind
18. the moon is not visible in the sky
19. occurring at the same time or rate
20. the results of a curvature by massive objects of the space and time around them
21. with respect to the distant stars, not planets or moons

1. to brighten with light.
2. the moon is shrinking in the sky
4. Moon phase in which exactly half of the Moon appears to be illuminated (occurs when the Moon has gone one quarter of the way around Earth).
6. to move around a central point. Rotate – to spin on an axis.
7. Moon phase in which more than half of the Moon appears to be illuminated.
8. the appearance of the Moon, as seen by an observer on Earth.
10. extensive higher elevation land masses
12. the line along which the sky appears to meet the land or sea.
14. the time at which the Moon appears above the eastern horizon. Moonset– the time at which the Moon disappears below the western horizon.
16. a line connecting the north poe to the south pole
17. longer in length than width