Standard Science Primary 6 Energy

Which of the following energy conversions takes place in a solar-powered water heater?

A Light energy → Electrical energy → Heat energy
B Light energy → Heat energy
C Electrical energy → Heat energy
D Chemical potential energy → Heat energy
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Worked Solution

Step 1: The device captures sunlight (light energy). Step [2-9]: The energy is absorbed to warm up the water. Step [2-9]: Therefore, light energy is converted directly to heat energy.

Correct answer: Light energy → Heat energy

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