choice board

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Across
  1. 2. high and low tides are similar
  2. 5. moon is between sun and earth
  3. 9. turning or spinning on an axis
  4. 11. occurs as the lit portion of the moon becomes
  5. 13. large object that revolves around a star
  6. 15. one object that moves completely around anther
Down
  1. 1. natural object that revolves around a planet
  2. 3. when the sun is exactly above the equator
  3. 4. occurs as the lit portion of the moon becomes smaller
  4. 6. earth is between the sun and the moon
  5. 7. a huge burning sphere of gases held together by gravity
  6. 8. when the sun is furthest from the equator
  7. 10. huge grouping of starts gas and dust held together by gravity
  8. 12. higher high tides and lower low tides
  9. 14. the rise and fall of the water level in the oceans