Standard Science Primary 6 Energy

What is the main energy conversion that takes place in a closed circuit with a light bulb?

A Electrical Energy → Kinetic Energy → Light Energy
B Chemical Potential Energy → Kinetic Energy → Light Energy
C Light Energy → Electrical Energy → Heat Energy
D Chemical Potential Energy → Electrical Energy → Light Energy + Heat Energy
Show Worked Solution

Worked Solution

Step 1: Start with the source (Battery = Chemical Potential). Step 2: The battery produces electricity (Electrical). Step 3: The bulb converts electricity into Light and Heat.

Correct answer: Chemical Potential Energy → Electrical Energy → Light 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