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

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.