Standard Science Primary 4 Matter

Siti pushed the plunger of a syringe filled with air while covering the nozzle. She observed that the plunger could be pushed in slightly. This shows that air __________.

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

Worked Solution

Step 1: Air is a gas. Step 2: Gases do not have a fixed volume and their particles are far apart. Step 3: Pushing the plunger reduces the space between particles. Step 4: This demonstrates that air can be compressed.

Correct answer: can be compressed

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