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In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity related to climate change and data analysis, learners examine temperature and precipitation data to determine if climate variations are due to El Niño.

free Ages 14 - 18 1 to 2 hours