Standard Science Primary 4 Energy

Study the table below. Identical wax drops were placed on rods made of different materials and heated. Which material is the poorest conductor of heat?

A Material C
B Material A
C Material D
D Material B
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Worked Solution

Step 1: A poor conductor slows heat transfer. Step [2-9]: The rod that takes the longest time to melt the wax is the poorest conductor. Step [2-9]: Material C (120 seconds) is the slowest.

Correct answer: Material C

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