Science

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Across
  1. 3. can be heard not seen
  2. 4. force that impedes motion
  3. 7. transferred means work done
  4. 8. can decrease friction
  5. 9. can be seen not heard
  6. 10. type of energy and stretchy
Down
  1. 1. moving energy
  2. 2. come together when opposites attract
  3. 5. unit of energy
  4. 6. to do with temprechure