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 KCPE revision questions and answers on heat transfer

Some standard VI pupils poured equal volumes of boiling water at the same time into three cups as represented by the diagram below:
figheat24620201039.JPG
They then left the cups on the desk for 10 minutes and measured the temperature of the water in each cup. If the cups were all of the same
size, colour, thickness and shape, which one of the following statements is MOST likely to be correct? The temperature of the water in
A. The metal cup was the lowest
B. All the cups were the same.
C. The clay cup was the lowest
D. The plastic cup was the lowest.

 (2m 40s)
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