Forms of Energy

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Across
  1. 5. energy that travels in waves you can hear
  2. 6. bounce back
  3. 7. to bend
  4. 8. the dark area behind an object that has blocked light
Down
  1. 1. move quickly back and forth
  2. 2. to take in
  3. 3. how high or low a sound is
  4. 4. the ability to make something move or change