Science stuff

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Across
  1. 1. the lighting of the Moon is increasing
  2. 4. an effect of the moon's gravity on water
  3. 7. Type of fossil scientist used to define an identified geological periods
  4. 9. outer planets name
  5. 10. the layers are in this order
  6. 13. to spin on an axis
  7. 14. layers in a rock
  8. 15. gravity is never a push force so it is a
  9. 16. moving around another object
Down
  1. 2. an imaginary line objects rotate around
  2. 3. the lighting of the Moon is decreasing
  3. 5. mud like material organisms are buried in
  4. 6. Inner planets name
  5. 8. Eclipse that occurs when the Moon blocks the sun's light from hitting earth
  6. 11. separated by the equator
  7. 12. eclipse that occurs when earth blocks the sun's light from hitting the moon