HOTS Science Primary 6 Energy

In a hydroelectric power station, what is the sequence of energy conversion?

A Kinetic energy → GPE → Electrical energy
B GPE → Electrical energy → Kinetic energy
C Electrical energy → Kinetic energy → GPE
D GPE → Kinetic energy → Electrical energy
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Worked Solution

Step 1: Water stored at a height has GPE. Step [2-9]: Falling water converts GPE to kinetic energy. Step [2-9]: The moving water turns turbines which generate electrical energy.

Correct answer: GPE → Kinetic energy → Electrical energy

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