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SMD Forum - Primary:
Heliophysics  
Learning Time:
10 to 30 minutes  
Materials Cost:
$1 - $5  
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Participants experiment with ultraviolet light sensitive plastic beads, which are generally white but turn colors when exposed to UV light. They are informed about the nature and risks of UV light and are asked to explore what types of materials... (View More)

This is an activity about scale. Participants will arrange imagery of Earth and many other space objects in order of their size from smallest to largest, their distance from Earth's surface, their temperature from coolest to hottest, and/or their... (View More)

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