Energy

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Across
  1. 2. the ability to do work
  2. 5. allowing nearly all light rays to pass through a material
  3. 8. energy of motion
  4. 11. the transfer of heat by moving a liquid or gas
  5. 12. allowing no light rays to pass through a product
  6. 13. the movement of heat between two objects that are touching
Down
  1. 1. the bouncing of light off a surface
  2. 3. a characteristic of sound that makes it seem high or low
  3. 4. the bending of light
  4. 6. to take in light waves
  5. 7. allowing some light rays to pass through a material
  6. 9. the number of waves that pass a point in a certain amount of time
  7. 10. stored energy