Set up a demonstration of how gravity can drive the perpetual flow of water during your hydro power unit. Science learners work in teams to make observations and formulate questions about how it works. They compare the model to what they know about a hydroelectric generator. 

Concepts

water pressure, water, technology resources

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Additional Tags

perpetual flow, water pressure, hydropwer

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Pros

• Fosters discussion and critical thinking
• Includes a journaling sheet for recording observations

Cons

• The worksheet does not include a space for comparing the in-class demonstration to a real hydroelectric generator; consider having learners create a Venn diagram on the back for this purpose