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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.

In this activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.

In this design challenge activity, learners build a four-stringed instrument that can play a tune.

In this activity, learners explore the invisible infrared radiation from an electric heater.

String Thing is an interactive online game in which learners change a virtual string's tension, length, and gauge to create different musical pitches.

In this activity, learners will listen to as many radio stations as possible to discover that AM radio signals can travel many hundreds of miles at night.