"Color Vision"

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Across
  1. 1. When these act like prisms in the sky, rainbows may form.
  2. 7. The color that has the shortest wavelength.
  3. 8. Empty space that contains no matter. Light can travel through this.
  4. 10. A ______ object reflects some light rays and absorbs some light rays. You may be able to see something through this object, but it will not be very clear.
  5. 12. The color of something is determined by the ______ of visible light that it reflects.
  6. 15. The color of all the sun's colors mixed together.
  7. 17. The change in direction that occurs when a light ray bounces off of a surface.
  8. 20. The bending of light rays as it passes from one material into another.
  9. 21. An incandescent light bulb converts 98% of the electricity it uses to this form of energy.
  10. 22. Red, green, and blue are known as the ________colors of light.
  11. 23. An arc of colors that sometimes appears in the sky. The colors that can be seen with a spectrum are the same colors that make up this.
  12. 24. A ______ mirror causes an object to appear smaller than it actually is.
Down
  1. 2. The name given to the band of colors that can be seen when white light is broken up by a prism.
  2. 3. A ______mirror has a flat surface.
  3. 4. A _______light blub contains a gas that gives off ultraviolet radiation when it is heated by electricity. This radiation strikes chemicals in the blubs that glow to give off light.
  4. 5. An incandescent light bulb converts 2% of the electricity it uses to this form of energy.
  5. 6. A ______mirror causes an object to appear larger than it actually is.
  6. 9. _______objects reflect or absorb all light rays. You cannot see through this type of object.
  7. 11. Cyan, Magenta, and Yellow are known as the _______colors of light.
  8. 13. Light rays travel at a ______ of approximately 186,000 miles per second or 300,000 km/second when traveling in a vacuum.
  9. 14. A smooth, shiny surface that is able to reflect light.
  10. 16. A ________ object does not reflect or absorb much light. You can see clearly through this type of object.
  11. 18. A solid object that can bend or reflect light
  12. 19. The color that has the longest wavelength.