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    In this math lesson, learners determine and compare the rate of descent of various learner-constructed parachutes. Learners construct parachutes that will have maximum hang times. Learners then...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    In this math lesson, learners analyze the density of liquids in order to explore linear functions. Learners gather mass and volume data for two mystery liquids, oil and water, and then use the data...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes
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    In this math lesson, learners explore the real world meaning of slope. Learners conduct a balloon experiment in which they measure the circumference and flight time of deflating balloons. Then,...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    In this "Sid the Science Kid" activity, learners observe reversible change while thinking about ways to make ice melt. Learners freeze a piece of fruit in an ice cube and then explore...

    $1 - $5 per group Ages 4 - 6 2 to 4 hours
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    In this math activity, learners collect, organize, and analyze a set of data related to types of animals in the temperate forest. Learners make bar and circle graphs depicting the animals learners...

    $1 - $5 per group Ages 6 - 8 1 to 7 days