Standard Science Primary 6 Energy

A solar-powered garden light is used to illuminate a pathway at night. What is the main energy conversion that occurs during the day?

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

Step 1: During the day, solar panels capture light energy from the Sun. Step [2-9]: This is converted into electrical energy. Step [2-9]: The electrical energy is then stored as chemical potential energy in the battery.

Correct answer: Light energy → Electrical energy → Chemical potential energy

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