Anna's

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Across
  1. 5. the distance between the center and the the top of a crest
  2. 7. the highest point of the wave
  3. 8. a range of electromagnetic radiation
  4. 9. the unit of measurement for frequency
  5. 11. the lowest point of the wave
  6. 12. producing light or letting go of light
  7. 13. light bouncing off
  8. 14. to keep going in a certain way
Down
  1. 1. a bright object
  2. 2. electromagnetic radiation by frequency and wavelength
  3. 3. crests and troughs similar to ocean waves
  4. 4. not passing through but not reflecting
  5. 6. passing through
  6. 10. the number of crests that pass a given point within one second.