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

In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.