Standard Science Primary 6 Energy

Siti uses a battery-operated toy car. When she switches it on, the car moves and its headlights light up. Which of the following shows the energy conversion taking place?

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

Worked Solution

Step 1: The battery stores chemical potential energy. Step [2-9]: Switching it on converts this to electrical energy in the circuit. Step [2-9]: The motor and bulbs convert electrical energy into kinetic and light energy.

Correct answer: Chemical potential energy → Electrical energy → Kinetic 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