Light Waves

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Across
  1. 3. Allowing no light to pass through.
  2. 4. A place where light is blocked.
  3. 6. Light, radio, gamma, ultra violet are types of _____________waves.
  4. 9. The color that reflects all light.
  5. 11. A red shirt will appear red because it reflects ____________light.
  6. 12. Allowing some light to pass through so that objects appear blurry.
  7. 13. How light reflects depends on _____________and color of a surface.
  8. 15. Spreading or bending around the edges of an obstacle.
  9. 17. Radiation can come from a ______________source meaning NOT man made.
  10. 19. Which of the electromagnetic waves has the longest wavelength?
  11. 20. A special lens that can separate white light into all its colors is called a
Down
  1. 1. Objects that allow light to completely pass through are…
  2. 2. What is the only part of the electromagnetic spectrum that humans can see?
  3. 5. The color that absorbs all light.
  4. 7. Radiation can come from an_________________source meaning man made.
  5. 8. To bend or change direction when passing through a boundary or medium.
  6. 10. The colors of the rainbow make up the visible light _______________.
  7. 14. When light bounces off the surface of an object it is called
  8. 16. To soak up or take something in.
  9. 18. Which of the electromagnetic waves has the highest frequency?