Standard Science Primary 6 Energy

Which of the following shows the energy conversion of an electric iron?

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

Worked Solution

Step 1: An iron uses electrical energy from the power socket. Step [2-9]: The heating element converts electricity into useful heat energy. Step [2-9]: The indicator light also converts some electricity into light energy.

Correct answer: Electrical energy → Heat energy + Light energy

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free