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Activity (Hands-On)Grades 3 - 5

Make Some Waves

In this activity, students use their own creativity (and their bodies) to make longitudinal and transverse waves. Through the use of common items, they will investigate the difference between longitudinal and transverse waves.

A photograph of wavy lines on a sheet of paper. Shown are the words sin, up, and down, as well as various fractions and numbers.Students investigate longitudinal and transverse waves

Waves are used for many reasons in our society: sonar, reading glasses, light bulbs, stereo equipment and lasers all rely on either sound or light waves. For engineers to develop new (and already used) technology, they must understand how light and sound waves work and how to use them in new devices.

After this activity, students should be able to:

  • Explain what a longitudinal wave is and give an example.
  • Explain what a transverse wave is and give an example.
  • Create plots of sin and cosine wave functions (if using extension activity)

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