Standard Science Primary 6 Energy

Siti uses an electric iron to press her school uniform. Which of the following shows the energy conversion taking place in the iron?

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

Worked Solution

Step 1: Identify the input energy. The iron is connected to a power socket, so the input is electrical energy. Step [2-9]: Identify the output energy. The purpose of an iron is to become hot to remove wrinkles, so the output is heat energy. Step [2-9]: Final Answer: Electrical energy → Heat energy.

Correct answer: Electrical energy → Heat energy

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