Standard Science Primary 4 Cycles

Which of the following explains why we can pump more air into a basketball that is already full of air?

A Air has no fixed shape.
B Air has mass.
C Air occupies space.
D Air can be compressed.
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Worked Solution

Step 1: Air is a gas. Step 2: Gas particles have large spaces between them and can be pushed closer together. Step 3: This property is called compressibility.

Correct answer: Air can be compressed.

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