Primary 4 Science — Energy Practice | Standard

Standard Science Primary 4 Energy

A beaker of water at 25°C was heated for 10 minutes until it reached boiling point. What is the reading on the thermometer at the 10th minute?

A 110°C

B 75°C

C 100°C

D 25°C

Show Worked Solution

Worked Solution

Step 1: Boiling point of pure water is 100°C. Step 2: Once water reaches boiling point, its temperature remains constant while boiling. Step 3: Final reading is 100°C.

Correct answer: 100°C

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