Standard Science Primary 4 Energy

Beaker A has 100ml of water at 50°C. Beaker B has 500ml of water at 50°C. Which statement is correct?

A Temperature is the same as heat energy.
B Beaker B has more heat energy than Beaker A.
C Both have the same amount of heat energy.
D Beaker A has more heat energy than Beaker B.
Show Worked Solution

Worked Solution

Step 1: Temperature measures the average kinetic energy. Step [2-9]: Heat energy measures the total energy, which increases with the amount of substance. Step [2-9]: More water at the same temp equals more total heat energy.

Correct answer: Beaker B has more heat energy than Beaker A.

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