Using Energy

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Across
  1. 2. communicates underwater
  2. 5. most of the heat comes from
  3. 7. see things because light bounce off
  4. 9. an object that can make light bend
  5. 11. to move back and forth quickly
  6. 12. big vibration
  7. 13. kind of energy
  8. 15. something that gives off heat when it
  9. 16. a path that electricity flows in
  10. 17. how high or low a sound is
  11. 18. a kind of energy that moves in path
Down
  1. 1. measures temperature
  2. 3. small vibration
  3. 4. changes other kind of energy into
  4. 5. kind of energy made by tiny pieces
  5. 6. a tool that lets only certain colors
  6. 8. is part of our body that we use to
  7. 10. fast vibration
  8. 14. kind of energy that we can hear
  9. 19. slow vibration