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

In this group activity, learners see and hear the speed of sound. A learner designated the "gonger" hits a gong, once every second, as the rest of the group watches and listens from a distance.

In this activity, learners explore sound by constructing their very own instruments using PVC pipes, soda bottles, and a straw.