Spelling Review Activity

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Across
  1. 4. a variable in a science experiment that stays the same
  2. 5. a variable in a science experiment that the scientist changes
  3. 6. caused by the gravitational pull of the moon and sun
  4. 8. scatters light waves
  5. 9. the amount of salt in water
  6. 11. when Earth's plates move apart from each other
  7. 12. to move sediment from one place to another
  8. 14. when Earth's plates slide past each other
  9. 15. the study of the earth
Down
  1. 1. a variable in a science experiment that changes in response to the independent variable
  2. 2. the wearing or breaking down of rock by wind, water, or ice
  3. 3. when Earth's plates move toward each other
  4. 7. when wind, ice, or water puts down the sediment it is carrying
  5. 10. allows light to pass through
  6. 13. blocks light and creates a shadow