Standard Science Primary 4 Energy

Four rods made of different materials were tested. A drop of wax was placed at the end of each rod. Which material is the BEST conductor of heat?

A Rod Y
B Rod Z
C Rod W
D Rod X
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Worked Solution

Step 1: A good conductor allows heat to pass through quickly. Step 2: The rod that melts the wax in the shortest time is the best conductor. Step 3: Rod X melted the wax in 2 minutes.

Correct answer: Rod X

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