science crossword puzzle #1 energy

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Across
  1. 3. we use this when we do labs sometimes
  2. 6. gears and motors
  3. 8. most of the military weapons are this
  4. 9. Atom bomb uses this
  5. 10. Another word for noise
Down
  1. 1. heat and radiation
  2. 2. current
  3. 4. the emission of light
  4. 5. what keeps you on the ground
  5. 7. what a rubber band uses