Light Waves Final Project Kirbabas_Jacob Wilkerson

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Across
  1. 4. Light, Heat, Mechanical, Gravitational, Electrical, Sound, and Chemical are all forms of ______
  2. 6. Something that carries/transfers energy from place to place
  3. 8. This is an important heat trapping gas in the atmosphere
  4. 9. To give off energy (light)
  5. 11. ___________ light comes from the sun and can cause skin cancer
  6. 12. A chemical process that occurs in plants when they are exposed to sunlight.
  7. 13. A condensed beam of light
  8. 15. the difference between points in a sound wave or electromagnetic wave.
  9. 16. When a material _____ light, the material changes
  10. 17. 400 THz to 700 THz is the _____ of visible light
Down
  1. 1. This protects human skin from the sun's ultraviolet rays
  2. 2. _______ occurs when light passes through a surface
  3. 3. This type of light can be seen and comes in many different colors
  4. 5. when a light wave interacts with an object and bounces off of it, it _____
  5. 7. The most harmful external hazard
  6. 10. ______ light comes from the sun and increased the kinetic energy of what it interacts with
  7. 13. devices that produce visible or near-visible energy for general illumination and specialty applications
  8. 14. energy that comes from a source and travels through space at the speed of light