Unit 9 Vocabulary - Sun, Earth, and Moon

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Across
  1. 3. exceptionally high tides that occur twice a month during new and full moon phases
  2. 4. a natural or artificial body that revolves around a planet
  3. 8. the motion of spinning on an axis
  4. 13. the motion of one object orbiting around another object
  5. 14. the moment when the Sun is directly above the equator: day and night lengths are equal
  6. 15. an event in which the shadow of one celestial body is cast onto another
Down
  1. 1. different appearances of the Moon from Earth throughout the month, these are known as
  2. 2. the periodic rise and fall of the water level in oceans and other large bodies of water
  3. 5. the difference in levels of ocean water at high tide and low tide
  4. 6. a force of attraction between objects due to their masses and amount of separation
  5. 7. the point at which the Sun is as far north or as far South of the equator as possible: shortest and longest days of the year
  6. 9. a tide of minimum range that occurs during the first and third quarter moon phases
  7. 10. when the portion of the moon that is lit up by the Sun is decreasing
  8. 11. when the portion of the moon that is lit up by the Sun is increasing
  9. 12. determined by both Earth’s tilt relative to the Sun and Earth’s position in its orbit