Energy and Forces

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Across
  1. 1. How many Newton's Laws are there?
  2. 4. this type of circuit has one loop
  3. 5. this type of force requires touching
  4. 7. a contact force that acts against movement
  5. 12. unit of measurement for force
  6. 13. the Newton law that describes inertia
  7. 15. change in speed or motion
  8. 18. these can attract or repel metals
  9. 19. what all things are made of
Down
  1. 2. what moves through an electric wire
  2. 3. a force that pulls you toward Earth
  3. 6. something that allows electricity to flow
  4. 8. this is an incomplete circuit
  5. 9. to stay in motion unless acted upon
  6. 10. something that can turn a circuit on or off
  7. 11. a push or pull
  8. 14. when two forces are not equal
  9. 16. the ability to cause change or do work
  10. 17. force equals this time acceleration
  11. 18. the amount of matter in something