Standard Science Primary 6 Energy

Which of the following shows the energy conversion that takes place when a television is switched on?

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

Step 1: A television is connected to a power socket (Electrical energy). Step [2-9]: It produces a picture (Light) and sound (Sound). Step [2-9]: Like all electrical appliances, it also generates heat (Heat).

Correct answer: Electrical energy → Light energy + Sound energy + Heat energy

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