How Lasers Work

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Across
  1. 2. A tiny particle or "packet of light"
  2. 3. very accurate or exact
  3. 5. When light bounces off a surface. like a mirrior
  4. 7. aser A device that produces
  5. 9. A straight line of light
  6. 10. To use a laser to read information (like a batcode)
Down
  1. 1. When light wavesare "in sync" and moying togather
  2. 4. The tiny building blocks that make up everything
  3. 6. The power used to make the laser work
  4. 8. Concentrated in one small area