Advanced Science Primary 4 Cycles

A syringe is filled with 20ml of air and the nozzle is sealed. When the plunger is pushed in, the volume of air becomes 15ml. Why?

A Air can be compressed.
B Air takes the shape of the container.
C Air has no mass.
D Air has a definite volume.
Show Worked Solution

Worked Solution

Step 1: Air is a gas. Step 2: Gases have no definite volume and can be compressed into a smaller space. Step 3: Pushing the plunger forces the air particles closer together.

Correct answer: Air can be compressed.

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