Foundation Science Primary 6 Energy

Which of the following energy conversions takes place in a solar-powered garden light at night?

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

Step 1: During the day, solar panels charge a battery. Step [2-9]: At night, the battery (chemical potential energy) provides power. Step [2-9]: The battery energy converts to electrical energy and then to light in the bulb.

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

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