Light Waves

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Across
  1. 3. When a light wave strikes a surface and then bounces back.
  2. 4. A special lens that seperates white light into different colors.
  3. 5. When waves pass through a medium.
  4. 7. These surfaces doesn't allow light to pass through them.
  5. 10. Waves that do not need a medium to travel.
  6. 11. These objects allow light to pass through.
  7. 13. When a medium bends or change the direction of a wave.
  8. 14. Change in speed usually causes a wave to bend as it passes through a boundary.
Down
  1. 1. When a wave is bounced back.
  2. 2. The range of wavelengths of electromagnetic radiation that our eyes can detect.
  3. 6. Only some light transmits through these objects making objects look fuzzy on the other side.
  4. 8. When some or all of the light energy from light waves is transferred from one medium to another.
  5. 9. the spreading out of waves as they pass through or around an object.
  6. 12. The band of colors produced when light is separated into its component wavelengths.