Advanced Science Primary 4 Matter

A tank contains 500 cubic cm of air. If 200 cubic cm of air is pumped OUT of the tank, what is the final volume of air left in the tank?

A 300 cubic cm
B 200 cubic cm
C 700 cubic cm
D 500 cubic cm
Show Worked Solution

Worked Solution

Step 1: Air is a gas. Step 2: Gases do not have a definite volume; they expand to fill the container they are in. Step 3: Even if some air is removed, the remaining air will expand to fill the 500 cubic cm tank.

Correct answer: 500 cubic cm

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