Light

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Across
  1. 2. an object that separates while light into the colors that make it
  2. 3. the bending of light
  3. 5. materials that allow almost all light to pass through
  4. 7. a form of energy that you can see
  5. 8. the seven colors of light
Down
  1. 1. materials that completely block light from passing through
  2. 4. materials that allow only some light to pass through
  3. 6. the degree in which light bounces off an object