a whole metal spoon getting hot when one end is in hot soup the inside of a car in the sun getting very hot a tar road getting hotter in the sun than a concrete sidewalk a fireplace fire heating a room on a cold day
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following is an example of heat transfer by conduction?
Possibilities:
- a whole metal spoon getting hot when one end is in hot soup
- the inside of a car in the sun getting very hot
- a tar road getting hotter in the sun than a concrete sidewalk
- a fireplace fire heating a room on a cold day

a whole metal spoon getting hot when one end is in hot soup