Energy Resources: Hydroelectric

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Resource Type:Classroom Activities; Curricula and Instruction
Grade Level:
9 10 11 12
Organization:American Geosciences Institute (AGI)
Summary:Hydroelectric energy, also referred to as hydroelectricity or hydropower, is the use of moving water to produce electricity. This power is generated by converting the kinetic energy of flowing water into mechanical and then electrical energy. This process involves the use of turbines, which consist of a set of blades. The moving water flows over the blades, causing them to turn. The blades are connected to a rotating drive shaft. The mechanical energy of the drive shaft is transferred to a generator through a gearbox. The generator uses the mechanical energy of the drive shaft to move an electric conductor (typically coils of copper wire) through a magnetic field, which causes electrons to flow through the conductor, generating electricity. The electricity is then fed into the electrical grid to be used in homes, businesses, and by industry. This site lists five activities related to hydroelectric energy.
Earth Science Big Ideas:Big Idea 7; Big Idea 9
NGSS Discplinary Core Ideas:ESS3.A
NGSS Performance Expectations:HS-ESS3-1; HS-ESS3-6
NGSS Science and Engineering Practices:Constructing explanations (for science) and designing solutions (for engineering); Using mathematics and computational thinking
NGSS Crosscutting Concepts:Cause and effect: Mechanism and explanation
Subjects: energy; hydrology; hydropower; renewable energy; water
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