Sound Vocabulary

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Across
  1. 4. type of movement back and forth or side to side
  2. 6. the number of sound waves per second (changes pitch)
  3. 8. makes sound waves more powerful
  4. 10. faster than the speed of sound
  5. 11. the substances that carry the sound vibrations
  6. 12. invented the phonograph the record a song
Down
  1. 1. how high or low a sound is
  2. 2. sounds too low pitched for ears to detect
  3. 3. using substances and shapes to deflect/soak up sound
  4. 5. the last name of the man who invented the telophone
  5. 7. how loud something is
  6. 8. the science of sound
  7. 9. sound that bounced off a hard surface and returns to listener