Standard Science Primary 4 Cycles

Siti tried to push the plunger of a syringe filled with water, but she could not. However, she could push the plunger when the syringe was filled with air. What does this show?

A Air can be compressed but water cannot.
B Water has a fixed shape but air does not.
C Air has no mass but water has mass.
D Water takes up space but air does not.
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Worked Solution

Step 1: Identify the action (pushing the plunger). Step 2: Water is a liquid and cannot be compressed (fixed volume). Step 3: Air is a gas and can be compressed (no fixed volume). Step 4: Final Answer: Air can be compressed but water cannot.

Correct answer: Air can be compressed but water cannot.

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