Light Waves

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Across
  1. 6. Wave signals generated electronically from digital information.
  2. 7. are used to transmit television and radio programs
  3. 8. when light is obstructed or blocked.
  4. 9. A wave with a specific pattern that carries information.
  5. 11. allows all light to pass through.
  6. 12. code A unique 3-signal combination of dots and dashes codes for each letter of the alphabet and numbers 0 through 9.
Down
  1. 1. are used to transmit information from a remote control to a television.
  2. 2. allows no light to pass through.
  3. 3. Wave signals that are not generated from digital information.
  4. 4. are used to transmit information between cellphones or between an internet router and a computer.
  5. 5. allows some light to pass through.
  6. 10. the science of light properties and behavior.