Standard Science Primary 4 Cycles

Siti tried to push the plunger of a syringe filled with air while blocking the nozzle. She found that she could push the plunger in slightly. What does this show about air?

A Air has mass.
B Air has a fixed volume.
C Air occupies space.
D Air can be compressed.
Show Worked Solution

Worked Solution

Step 1: Identify the state of matter (Air is a gas). Step 2: Recall properties of gases (No fixed volume, can be compressed). Step 3: Pushing the plunger in reduces the space the air takes up. Step 4: This confirms air can be compressed.

Correct answer: Air can be compressed.

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