LIGHT ENERGY

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Across
  1. 2. A material that lets some light through but not all
  2. 5. The main natural source of light on Earth
  3. 7. When light bends as it passes through an object
  4. 8. When light bounces off a surface
  5. 12. A smooth surface that reflects light to show an image
  6. 14. Light travels at a very fast ____
Down
  1. 1. A material that allows light to pass through completely
  2. 3. When an object takes in light instead of reflecting or passing it through
  3. 4. A dark area created when light is blocked
  4. 6. A material that does not let any light through
  5. 7. A colorful band of light that forms when light is refracted through water droplets
  6. 9. The ability to do work or cause change
  7. 10. The form of energy that helps us see
  8. 11. A tool that separates white light into a rainbow
  9. 13. A curved piece of glass or plastic that bends light