Standard Science Primary 4 Cycles

Siti inverted a glass into a basin of water as shown below. She noticed that the water did not enter the glass. What does this experiment prove?

A Air has no definite volume.
B Air can be compressed.
C Air has mass.
D Air occupies space.
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Worked Solution

Step 1: The glass is filled with air. Step 2: When inverted and pushed down, the air is trapped. Step 3: Because the air occupies the space inside the glass, the water cannot enter. Step 4: This shows air occupies space.

Correct answer: Air occupies space.

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