Cullen's Science Project LIGHT Crossword

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Across
  1. 4. image cast on the ground or some surface by an object blocking light
  2. 6. an optical instrument having a magnifying lens for inspecting objects too small to be seen by the naked eye
  3. 7. to cause a change in the direction that light travels
  4. 8. curving outward
  5. 9. a substance that lets light pass through
Down
  1. 1. an optical instrument for making distant objects appear larger and closer
  2. 2. hollow and curving inward
  3. 3. a toy in a tube; it produces symmetrical patterns as bits of colored glass are reflected by mirrors
  4. 5. a form of energy that makes it possible to see things
  5. 10. to throw or bounce
  6. 11. it separates white light into the colors of the visible spectrum
  7. 12. prismatic colors appearing in the heavens opposite the sun and caused by the refraction and reflection of the sun's rays in drops of rain