waves

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Across
  1. 5. passing through a medium
  2. 6. brightness, a type of energy
  3. 7. light and how its seen
  4. 10. the top of a wave connecting to another
  5. 12. a type of wave in one direction
  6. 14. waves per second
  7. 16. height of a wave
  8. 18. an object in the way of a wave
  9. 19. when a wave hits something and is reflected
  10. 20. a way to display waves
Down
  1. 1. the movement of an object
  2. 2. type of waves using magnetism
  3. 3. thermal energy
  4. 4. how long one wave lasts
  5. 8. How noise,heat, or light travels
  6. 9. what the wave passes through
  7. 11. a type of wave in two directions
  8. 13. how fast something is
  9. 15. a type of ray, the smallest wavelength
  10. 17. how something is moved