Standard Science Primary 4 Energy

When a flask of coloured water is placed in a basin of ice, the water level in the narrow tube drops. This is because the water __________.

A lost heat and expanded
B lost heat and contracted
C gained heat and expanded
D gained heat and contracted
Show Worked Solution

Worked Solution

Step 1: Ice is colder than the flask, so the water loses heat. Step 2: When liquids lose heat, they contract (occupy less space). Step 3: This causes the level in the tube to drop.

Correct answer: lost heat and contracted

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free