Standard Science Primary 4 Energy

Four rods of the same size but made of different materials were used to test heat conductivity. Which material will allow the wax at the end to melt the fastest?

A Wood
B Glass
C Copper
D Plastic
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Worked Solution

Step 1: Metals are generally good conductors of heat. Step 2: Copper is an excellent conductor among the choices. Step 3: It will transfer heat to the wax faster than the insulators (wood, plastic, glass).

Correct answer: Copper

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