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What Molecules Make the Holes in Bread?

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In this activity, learners will discover why there are holes in bread.
$10 - $20 per group Ages 8 - 18 30 to 45 minutes

Water Cycle in a Bag

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In this activity, learners create a biosphere in a baggie.
$1 - $5 per student Ages 4 - 11 1 to 7 days

Turbidity

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This is an activity about turbidity, or the amount of sediment suspended in water.
$1 - $5 per student Ages 6 - 14 10 to 30 minutes