Short Review

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Clip: Short Review

A short review of wave characteristics and echo.

Learning Objectives

  1. Realize that sound is energy, and know how it travels. Sound begins when energy produces a vibration that causes a disturbance in the molecules of the medium in which the sound is to travel. The energy is transferred through a medium via waves.
  2. Describe sound waves. Sound travels through longitudinal, or compressionrarefaction,...

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Supporting Activities

  1. Cup phone experiment. Have students work in pairs or small groups. Using Styrofoam cups, plastic cups, and paper cups, have each group of students make cup phones by punching a hole in the bottom of each matching cup and tying a string inside to connect two cups. Have students experiment to see which cup conducts sound the best. Try these other v...

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