Standard Science Primary 4 Energy

Ravi placed a cup of hot tea at 80°C on a table in a room with a temperature of 28°C. What will happen to the temperature of the tea after two hours?

A It will drop to 0°C.
B It will stay at 80°C.
C It will drop to 28°C.
D It will rise above 80°C.
Show Worked Solution

Worked Solution

Step 1: Heat travels from a hotter region to a colder region. Step 2: The tea will lose heat to the cooler surrounding air. Step 3: This continues until the tea reaches the same temperature as the room (thermal equilibrium).

Correct answer: It will drop to 28°C.

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