Standard Science Primary 4 Cycles

Luke pushed an inverted glass vertically into a basin of water. He noticed that the water did not enter the glass completely. Why?

A Water cannot be compressed.
B The water is too heavy.
C The glass is waterproof.
D Air in the glass takes up space.
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Worked Solution

Step 1: The glass is not empty; it contains air. Step 2: Air is matter and takes up space. Step 3: Water cannot enter unless the air is removed or compressed.

Correct answer: Air in the glass takes up space.

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