Unit 7

4. a half of a sphere
6. To move in a circular motion around a center point.
8. An imaginary line that runs through the South and North Pole of the Earth
10. when the sun reaches its highest or lowest point in the sky at noon
11. each of the four divisions of the year (spring, summer, autumn, and winter)
13. Moon The moon is one-half illuminated by the sun
17. Phase The changing appearances of the Moon as seen from Earth
19. is used to describe something that is related to the moon
21. When the Moon appears to get smaller
23. A steady incline.
24. When the Moon appears to get bigger

1. The alternate rising and falling of the sea
2. Tide a tide just after the first or third quarters of the moon
3. when the size of the illuminated portion of the moon is greater than half but not a full moon
5. the movement of one object around a center or another object
7. Bulge The oval shape of the Earth's water surrounding the planet caused by the moon's gravity
9. The phase of the moon in which only a curved edge of the moon's side that faced earth is illuminated
12. Tide a tide just after a new or full moon
14. the time or date (twice each year) at which the sun crosses the celestial equator
15. Tide the state of the tide when at its lowest level
16. repeating path that one object in space takes around another one
18. Moon When the moon appears invisible
20. Moon the phase of the moon in which we see the entire moon lighted, and it appears bright and round
22. Tide the state of the tide when at its highest level