The tile floor is colder than the carpet. The tile floor conducts heat better than the carpet. The carpet conducts heat better than the tile floor. The tile floor is a better insulator than the carpet.
I gave my students this multiple choice question: Why does a floor covered with tile feel colder than a floor covered with carpet?

Only one answer is correct among these 4 choices:
- The tile floor is colder than the carpet.
- The tile floor conducts heat better than the carpet.
- The carpet conducts heat better than the tile floor.
- The tile floor is a better insulator than the carpet.

Could you tell me which one is correct?

The tile floor conducts heat better than the carpet.