Standard Science Primary 4 Energy

When an ice cube is placed in a glass of warm water, which of the following happens?

A Heat flows from the water to the ice.
B Heat flows from the ice to the water.
C No heat transfer occurs.
D Coldness flows from the ice to the water.
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Worked Solution

Step 1: Identify the temperatures (Water is warm, ice is cold). Step 2: Recall the rule (Heat flows from hot to cold). Step 3: Therefore, heat moves from the water to the ice, causing the ice to melt.

Correct answer: Heat flows from the water to the ice.

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