Standard Science Primary 4 Energy

When a bottle of water is taken out of a freezer and left on a table, the water level inside the bottle rises slightly as it warms up. This is because __________.

A water turns into steam
B the bottle contracts when it gains heat
C water expands when it gains heat
D the bottle becomes heavier
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Worked Solution

Step 1: As water warms, it gains heat. Step 2: Gaining heat causes the liquid to expand. Step 3: Expansion leads to a rise in the water level.

Correct answer: water expands when it gains heat

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