Responses
A The pressure of the water against the dam spins a turbine.The pressure of the water against the dam spins a turbine.
B When waves lap against the wall of the dam, a wheel is spun.When waves lap against the wall of the dam, a wheel is spun.
C Water flowing through an intake pipe causes a turbine to spin.Water flowing through an intake pipe causes a turbine to spin.
D When the water flows over the top of the dam, the water spins a wheel as it falls down.When the water flows over the top of the dam, the water spins a wheel as it falls down.
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The correct response is:
C. Water flowing through an intake pipe causes a turbine to spin.
In a hydroelectric dam, water is stored in a reservoir behind the dam. When released, the water flows through intake pipes to the turbine. The force of the moving water spins the turbine, which is connected to a generator that produces electricity.
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