Physics Sound Words

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Across
  1. 1. lower range of audible frequencies
  2. 5. complete path, allowing electrical current to move from one terminal to another of a source of voltage
  3. 7. the magnitude of change in the oscillating variable with each oscillation within an oscillating system
  4. 8. unit used to express intensity of sound wave
  5. 10. produces sound in response to audio input
  6. 12. a reflection of sound, arriving after initial sound
  7. 15. converts sound into an electrical signal
Down
  1. 2. acronym for sound navigation and ranging
  2. 3. current fed into a loudspeaker
  3. 4. electronic device that boosts/controls certain frequencies
  4. 6. change in direction of wave due to change in its speed
  5. 9. the distance over which a wave's shape repeats
  6. 11. opposes flow of electrons
  7. 13. unit of electrical resistance
  8. 14. cycles per second of periodic phenomenon