About Light

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Across
  1. 2. How light usually travels
  2. 4. When light bounces off an object, like with a mirror
  3. 5. The major source of light
  4. 7. The number of colors in a rainbow
  5. 8. A material that blocks all light
  6. 9. A material that lets all light through
Down
  1. 1. These are formed when an object blocks light
  2. 3. A material that blocks some light
  3. 6. When light bends, like in water
  4. 10. An object that breaks up white light into separate colors