Standard Science Primary 4 Matter

Ross used a syringe to find out if matter can be compressed. He filled the syringe with a certain substance and found that he could push the plunger in slightly while covering the nozzle. What was the substance in the syringe?

A Water
B Oil
C Air
D Sand
Show Worked Solution

Worked Solution

Step 1: Pushing the plunger in indicates the substance was compressed. Step [2-9]: Only gases can be compressed because their particles have large spaces between them. Step [2-9]: Air is a gas.

Correct answer: Air

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