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Learners explore water's property of cohesion through two investigations.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Learners demonstrate how water can distort, refract and magnify light.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this design-based lesson, learners study flood dynamics as they modify a riverbed with blockages or levees to simulate real-world scenarios.

Over $20 per group Ages 11 - 14 1 to 2 hours
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Water, whether fresh or salty, serves as one of the best electrical conductors on the planet. Does salt effect its conductivity?

free Ages 14 - 18 1 to 2 hours