science crossword puzzle

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Across
  1. 2. Change from one type to another
  2. 3. Movement when two things hit eachother
  3. 5. energy Energy in an object
  4. 8. Can change
  5. 10. Move one object to another
  6. 13. Evidence that goes against a claim
  7. 15. Speed in a particular direction
Down
  1. 1. Diagram
  2. 4. Parts to create a complex whole
  3. 6. Separate
  4. 7. Matter in an object
  5. 9. Go away
  6. 11. Go towards
  7. 12. Move or change
  8. 14. Push or pull