Standard Science Primary 6 Energy

A battery-operated toy car is moving up a ramp. What is the main energy conversion taking place?

A Gravitational PE → Kinetic
B Chemical PE → Electrical → Kinetic + Gravitational PE
C Chemical PE → Kinetic → Sound
D Electrical → Kinetic → Heat
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Worked Solution

Step 1: Battery stores chemical energy. Step [2-9]: It converts to electrical energy in the motor. Step [2-9]: The car moves (kinetic) and gains height (gravitational potential energy).

Correct answer: Chemical PE → Electrical → Kinetic + Gravitational PE

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