Standard Science Primary 6 Energy

Which of the following is an example of chemical potential energy being converted into heat and light energy?

A A solar panel charging a battery
B A battery-operated torch being switched on
C A boiling kettle of water
D A ball rolling down a hill
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Worked Solution

Step 1: A battery stores chemical potential energy. Step 2: When the torch is on, electricity flows to the bulb. Step 3: The bulb produces light and also gives off heat.

Correct answer: A battery-operated torch being switched on

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