Standard Science Primary 4 Matter

Stan tried to push the plunger of a syringe filled with water while covering the nozzle with his finger. He found that he could not push the plunger in. What does this tell him about water?

A Water has mass.
B Water occupies space.
C Water has a definite shape.
D Water has a definite volume.
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Worked Solution

Step 1: Pushing a plunger tests for compressibility. Step [2-9]: Liquids cannot be compressed because they have a definite volume. Step [2-9]: Since Stan could not push the plunger, water has a definite volume.

Correct answer: Water has a definite volume.

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