-Vocab Crossword Puzzle-

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Across
  1. 3. light/can have more than one wavelength and can travel in more than one direction
  2. 6. light/light of only one wavelength that travels in one direction
  3. 7. internal reflection/complete reflection of light at the boundary between two materials
Down
  1. 1. that creates a hologram
  2. 2. Polarized light/light with a magnetic field that vibrates in only on direction
  3. 3. light/light generated by heating a piece of metal till it glows
  4. 4. light/light generated by using phosphors to convert ultra-violet radiation to visible light
  5. 5. scanner/device that reads intensities