Sound, Light, and Color Crossword

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Across
  1. 1. Frequency modulator
  2. 4. The properties of a room that determines how sound is transmitted
  3. 8. A single noise
  4. 10. The range of wavelengths and frequencies
  5. 14. A unit used to measure the intensity of a sound
  6. 15. A ray of radiation that produces a thermal effect
  7. 17. Wavelengths shorter than light but longer than X-rays
  8. 21. A wave between ultraviolet light and gamma rays
  9. 23. The extention of sound by reflection from a surface
  10. 25. Sound waves with frequencies below the limit of human hearing
Down
  1. 2. A pattern of beats and sounds
  2. 3. The frequencies of a wave
  3. 5. When a person is not able to distinguish colors
  4. 6. The force or loudness of a sound
  5. 7. A sound or vibration with an ultrasonic frequency
  6. 9. The part of the Electromagnetic Spectrum that is visible to humans
  7. 11. Amplitude modulator
  8. 12. An electromagnetic wave that's used for long-distance communication
  9. 13. A wave that's shorter than a normal radio wave but longer than infrared rays
  10. 16. An increase or decrease in the frequency of sound as the source moves toward or away from an object or person
  11. 18. A continuing effect; a repercussion
  12. 19. An object that is see-through
  13. 20. How high or low a sound is
  14. 22. A wave with a shorter wavelength than x-rays
  15. 24. Tiny fluctuations in the air