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In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp desk lamp with an incandescent bulb and a stack of glass plates.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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In this activity, learners will decide together on a question about how far, long or high the group could reach together.

free Ages 4 - 14 10 to 30 minutes
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In this activity, learners model ancient lunar impacts using water balloons.

Over $20 per group Ages 8 - 14 10 to 30 minutes