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In this activity, learners find out why some mineral sunblock rubs in clear. Learners compare nano and non-nano sunblocks and discover how particle size affects visibility.

In this activity, learners examine nanoscale structures of common things.

In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.

In this "Sid the Science Kid" activity, learners set up a simple experiment to find out how sunscreen counteracts the effects of the sun.