Standard Science Primary 6 Energy

What is the main energy conversion that occurs when a battery-powered alarm clock rings?

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

Step 1: Batteries store chemical potential energy. Step [2-9]: This is converted to electrical energy in the circuit. Step [2-9]: The clock components then convert electrical energy into sound.

Correct answer: Chemical potential energy → Electrical energy → Sound energy

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