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Melts in Your Bag, Not in Your Hand
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In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.
Safe in the Sun
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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.
Size it Up
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Learners investigate why the Sun and Moon appear the same size in the sky even though the Sun is over 400 times larger in diameter.