Standard Science Primary 4 Energy

A cup of hot tea at 80°C is left on a table in a room at 28°C. What will be the temperature of the tea after two hours?

A 28°C
B 50°C
C 80°C
D 0°C
Show Worked Solution

Worked Solution

Step 1: Heat flows from a hotter region to a colder region. Step 2: The tea loses heat until it reaches the same temperature as the room. Step 3: 28°C is the room temperature.

Correct answer: 28°C

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