Standard Science Primary 4 Energy

Two beakers, X and Y, contain 100ml and 500ml of water respectively at 90°C. Which statement is correct?

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

Worked Solution

Step 1: Temperature is the measure of hotness (both are equal). Step 2: Heat energy is the total energy (depends on mass). Step 3: Since Y has more water at the same temperature, it contains more heat energy.

Correct answer: Beaker Y has more heat energy than Beaker X.

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