Standard Science Primary 6 Energy

Siti switched on a battery-operated radio. Which of the following shows the energy conversion that takes place?

A Electrical energy -> Sound energy + Heat energy
B Chemical potential energy -> Electrical energy -> Sound energy + Heat energy
C Kinetic energy -> Electrical energy -> Sound energy
D Chemical potential energy -> Kinetic energy -> Sound energy
Show Worked Solution

Worked Solution

Step 1: Identify the source of energy (Battery = Chemical Potential Energy). Step 2: Trace the flow through the circuit (Electrical Energy). Step 3: Identify the final outputs (Sound and heat as a byproduct).

Correct answer: Chemical potential energy -> Electrical energy -> Sound energy + Heat energy

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

Start Free Trial — 7 Days Free