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SOUND UNITVOCABULARY
SOUND WAVESVibrations that spreads away from a vibratingobject    • Drop a pebble into a pond the waves go away      from...
RAREFACTION Part of a sound wave where molecules are spread out
HERTZ how frequency is measured (one vibration/second is one hertz Hz)     • Unit of measure
VOLUME how loud or soft something is (depends on the amount of energyin the sound wave)
DECIBEL how volume is measured (dB) F 59 Chart of decibels
ECHO reflected sound wave (singing in the shower)
ECHOLOCATION finding things or navigating using sonar (bats, whales, dolphins usethis) Echolocation
DOPPLER EFFECT change in frequency and pitch as a sound moves towards or awayfrom you (named for scientist Christian Dopp...
QUALITY what makes a sound different from another sound of same volumeand pitch (2 singers same note, same pitch, one is ...
FUNDAMENTAL main or basic (fundamental frequency is the lowest frequencysomething vibrates, guitar string after it is str...
OVERTONE vibrating at a higher frequency (more times) than the fundamental
RESONANCE a fullness and richness of sound, build up of vibration (it“resonates” with you)
MICROPHONE- an instrument that amplifies sound
ABSORPTION disappearance of a sound wave into a surface (think of a towelabsorbing) hard surfaces sounds bounce off, soft...
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Sound vocabulary grade 5

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Transcript of "Sound vocabulary grade 5"

  1. 1. SOUND UNITVOCABULARY
  2. 2. SOUND WAVESVibrations that spreads away from a vibratingobject • Drop a pebble into a pond the waves go away from where the pebble was dropped
  3. 3. RAREFACTION Part of a sound wave where molecules are spread out
  4. 4. HERTZ how frequency is measured (one vibration/second is one hertz Hz) • Unit of measure
  5. 5. VOLUME how loud or soft something is (depends on the amount of energyin the sound wave)
  6. 6. DECIBEL how volume is measured (dB) F 59 Chart of decibels
  7. 7. ECHO reflected sound wave (singing in the shower)
  8. 8. ECHOLOCATION finding things or navigating using sonar (bats, whales, dolphins usethis) Echolocation
  9. 9. DOPPLER EFFECT change in frequency and pitch as a sound moves towards or awayfrom you (named for scientist Christian Doppler who discovered it) Doppler
  10. 10. QUALITY what makes a sound different from another sound of same volumeand pitch (2 singers same note, same pitch, one is better)
  11. 11. FUNDAMENTAL main or basic (fundamental frequency is the lowest frequencysomething vibrates, guitar string after it is strummed)
  12. 12. OVERTONE vibrating at a higher frequency (more times) than the fundamental
  13. 13. RESONANCE a fullness and richness of sound, build up of vibration (it“resonates” with you)
  14. 14. MICROPHONE- an instrument that amplifies sound
  15. 15. ABSORPTION disappearance of a sound wave into a surface (think of a towelabsorbing) hard surfaces sounds bounce off, soft ones it absorbs
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