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 Chemical potential energy → Heat energy
D Electrical energy → Heat energy
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Worked Solution

Step 1: Solar water heaters have dark-coloured collectors that absorb sunlight. Step [2-9]: The absorbed light energy is directly converted into heat energy to warm the water.

Correct answer: Light energy → Heat energy

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