Science

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Across
  1. 3. make their own food
  2. 4. how high or low sound is
  3. 6. a measure of how much matter is in an object
  4. 11. a pulling force between two objects
  5. 12. A change in position of an object
  6. 13. how fast an object moves at a certain distance
Down
  1. 1. push or pull
  2. 2. lives both in land and water
  3. 5. Without backbone with legs and wings
  4. 7. attracts or repels certain objects
  5. 8. caterpillar stage of a butterfly
  6. 9. life trees and wild animals
  7. 10. has feathers and lay eggs