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    In this physics activity, learners explore how sound is created by vibrations. They make a "buzzer" out of a rubber band, a craft stick, and an index card, then whirl it overhead,...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave. This is an excellent activity to use to lead into discussion of waves of all sorts ...

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    In this activity, learners use a tuning fork to explore how the Doppler effect works. They strike the tuning fork to produce a sound, then observe as the tone changes as the fork is swung back and...

    $5 - $10 per group Ages 11 - 18 5 to 10 minutes
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    In this activity, learners will explore how the voice works and feel the vibrations produced by vocal cords. They will learn that the vocal cords are made out of the material elastin, and will...

    free Ages 6 - 11 10 to 30 minutes