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Learners take on the role of environmental engineers as they design water filters.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners separate the components of Gatorade using a home-made affinity column.

$10 - $20 per student Ages 11 - 18 45 to 60 minutes
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In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

Over $20 per group Ages 6 - 18 45 to 60 minutes
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In this lesson, learners will practice graphing and statistically analyzing data.

free Ages 8 - 14 45 to 60 minutes