Standard Science Primary 4 Energy

Ravi placed a metal spoon and a plastic spoon in a bowl of hot soup. After one minute, the metal spoon felt much hotter than the plastic spoon. Why?

A The hot soup only transferred heat to metal.
B The metal spoon gained more mass.
C The metal spoon is a better conductor of heat.
D The plastic spoon is a better conductor of heat.
Show Worked Solution

Worked Solution

Step 1: Both spoons gain heat from the soup. Step [2-9]: Metals are good conductors of heat, meaning heat travels through them quickly. Step [2-9]: Plastic is a poor conductor, slowing down heat travel.

Correct answer: The metal spoon is a better conductor of heat.

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

Start Free Trial — 7 Days Free