Standard Science Primary 6 Energy

Study the energy conversion of an electric fan shown below:<br><br><b>Electrical Energy → Kinetic Energy + X</b><br><br>What does 'X' represent?

A Heat Energy
B Sound Energy
C Chemical Potential Energy
D Light Energy
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Worked Solution

Step 1: Identify the primary function (moving blades = kinetic). Step [2-9]: Consider the byproduct of motor friction. Step [2-9]: Electrical devices always lose some energy as heat. Step [2-9]: Final Answer: Heat Energy.

Correct answer: Heat Energy

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