Standard Science Primary 4 Energy

Siti poured hot water at 90°C into four cups made of different materials. Which cup will feel the HOTTEST to touch after 1 minute?

A Ceramic cup
B Metal cup
C Wood cup
D Plastic cup
Show Worked Solution

Worked Solution

Step 1: Identify that the cup feeling the hottest is the one that conducts heat fastest. Step 2: Metal is a good conductor of heat. Step 3: It transfers heat from the water to the hand more quickly than plastic, wood, or ceramic.

Correct answer: Metal cup

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