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Physical Science Vocabulary

Physical Science Vocabulary. Week23. 1) sound. Waves that transmit disturbances produced by vibrating objects. 2) vibrations. Rapid, back-and-forth movements of particles. 3) frequency. Number of wavelengths that pass a given point in one second; measured in hertz (Hz). 4) pitch.

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Physical Science Vocabulary

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  1. Physical Science Vocabulary Week23

  2. 1) sound • Waves that transmit disturbances produced by vibrating objects

  3. 2) vibrations • Rapid, back-and-forth movements of particles

  4. 3) frequency • Number of wavelengths that pass a given point in one second; measured in hertz (Hz).

  5. 4) pitch • The highness or lowness of a sound

  6. 5) wavelength • The distance between two successive and comparable points on a wave

  7. 6) cochlea • A spiraled, hollow chamber of bone within the ear

  8. 7) Longitudinal wave • A wave in which particles vibrate back and forth along the same path that the wave travels (compressional wave)

  9. 8) echo • A reflected sound wave.

  10. 9) compression • Part of the longitudinal wave where the particles bunch up closer together

  11. 10) rarefaction • Part of a longitudinal wave in which the particles expand and move apart

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