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In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.

In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.

In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the

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