Standard Science Primary 4 Energy

Stan poured hot tea into a cup. Five minutes later, the tea was cooler. This is because the tea __________.

A produced cold energy
B lost heat to the surroundings
C gained heat from the cup
D absorbed light from the room
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Worked Solution

Step 1: Heat always flows from a region of higher temperature to a region of lower temperature. Step [2-9]: The hot tea has a higher temperature than the surrounding air. Step [2-9]: The tea loses heat to the air, causing its temperature to drop.

Correct answer: lost heat to the surroundings

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