Vocab Choice Board

3. the motion of an object orbiting around another object
5. the period of the lunar cycle where the moon appears to get bigger
8. occurs when the sun, moon, and Earth form a right angle, and this causes the regular high tides and low tides to become much lower than usual
9. any moon phase that appears more than half illuminated but less than full
11. a half of the earth
12. the alternate rising and falling of the sea due to the attraction of the moon and sun
13. a sloping position or movement
15. the imaginary line that goes through the north and south poles
16. the course of all the lunar phases throughout a 28 day period
17. the force of attraction caused by gravity between all masses in the universe

1. the apparent shape of the Moon's directly sunlit portion as viewed from the Earth
2. the state of the tide when at its lowest level
4. the small portion of the Moon visible in the sky before or after the new moon phase
5. the period of the lunar cycle where the moon appears to get smaller
6. each of the four divisions of the year, marked by particular weather patterns and daylight hours
7. the action of spinning around an axis or center
10. the state of the tide when at its highest level
14. occurs when the sun, moon, and Earth are lined up, and this causes regular high tides and low tides to be much higher