physics.

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Across
  1. 2. IShow..
  2. 4. Everything that moves need to be touched
  3. 7. Must wear goggles while working with..
  4. 8. The moon has no..
  5. 9. negative
  6. 10. a light bulb has a lot of
  7. 11. Rhymes with math..
Down
  1. 1. every action has an equal opposite reaction
  2. 3. Positive
  3. 5. neutral
  4. 6. Push and pull