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This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.

In this physical sciences activity, learners use science to solve a "crime." Learners collect trace evidence (glitter) and explore its characteristics, such as color, size, shape, and light reflection

In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.

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