3rd Grade Spelling/ Vocabulary Quiz

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Across
  1. 3. a clear piece of curved glass used to make things look clearer
  2. 4. long light waves, that can only be seen with special instruments
  3. 9. a dark purplish blue color
  4. 11. allowing light but not detailed shapes to pass through
  5. 12. to make look or sound larger
  6. 13. a wedge shape piece of transparent glass that breaks up light into all the colors of the spectrum
  7. 14. the distribution of all colors that make up the light we see
Down
  1. 1. protection from danger
  2. 2. short, invisible light waves that cause sunburn
  3. 5. the appearance of light bending from one medium to another
  4. 6. thick, heavy
  5. 7. a tool or measuring device
  6. 8. a photographic or digital image of the internal part of the body
  7. 10. a doctor who specializes in eyes