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In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.

This activity (page 2 of the PDF under SciGirls Activity: Double Dutch) is a full inquiry investigation into whether hearing or seeing has a bigger effect on jump rope performance.

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

In this activity, learners build their own sound machines and explore the interplay of motion and sound.

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 add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.

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

In this activity, learners build a musical drum using a cardboard tube, plastic wrap, and beads.