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Learners will compare the growth rate and appearance of crystals forming on small rocks to those growing on miscellaneous objects. Learners will also investigate how temperature (warm vs.

$1 - $5 per group Ages 8 - 14 1 to 7 days
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Learners manipulate opaque, sealed boxes and attempt to determine their interior structures. Each box contains a moving ball and one or more fixed barriers.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
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Learners build a pendulum from a yo-yo, and then design their own experiment to determine what affects the pendulum's period of swing.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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Learners explore the physical properties of a variety of balls and how they bounce.

$1 - $5 per group Ages 11 - 18 30 to 45 minutes
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In this activity, learners separate the protein from milk and and use it to make their own glue.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes