Standard Science Primary 4 Cycles

Sara inverted a glass with a tissue taped to the bottom into a basin of water. The tissue remained dry. Why?

A Air in the glass occupied space and prevented water from entering.
B The water is not deep enough.
C The tissue is waterproof.
D The glass is too small.
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Worked Solution

Step 1: Air is a matter and occupies space. Step 2: When the glass is pushed vertically, air is trapped. Step 3: Water cannot enter the space occupied by air.

Correct answer: Air in the glass occupied space and prevented water from entering.

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