SCIENCE

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Across
  1. 2. an object in motion stays in motion
  2. 5. the more the mass the more force is needed
  3. 7. mass times acceleration
  4. 8. Is on the very bottom
  5. 10. positive
  6. 12. has groups and periods
Down
  1. 1. with every action there's a reaction
  2. 3. force divided by mass
  3. 4. negative
  4. 6. Is on the very top
  5. 9. no energy
  6. 11. force divided by acceleration