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In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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The demonstration/experiment provides quick proof that air has mass.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes