Advanced Science Primary 4 Matter

Tim sealed a syringe containing 10ml of water and 10ml of air. He pushed the plunger inwards as hard as he could. What is the most likely new volume of the air and the water?

A Air: 10ml, Water: 5ml
B Air: 5ml, Water: 5ml
C Air: 5ml, Water: 10ml
D Air: 10ml, Water: 10ml
Show Worked Solution

Worked Solution

Step 1: Gas (air) has no definite volume and can be compressed. Step 2: Liquid (water) has a definite volume and cannot be compressed. Step 3: When pushed, only the air volume decreases (e.g., to 5ml), while the water stays at 10ml.

Correct answer: Air: 5ml, Water: 10ml

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