Question

A student places one end of an iron nail in a cup of boiling water. Eventually, the whole nail is hot. He says that the heat transferred through the nail by convection. Which of the following explains why his statement is incorrect?

There was no movement of matter within the nail.

The nail did not emit any light.

The water did not change phase.

Only gases can transfer heat by convection.

Answer 1

@matt101

Answer 2

What do you think?

Answer 3

I think it is either A or D, but I'm leaning more toward D

Answer 4

Well convection occurs with fluids. Both gases and liquids are considered fluids because they have no fixed shape.

Answer 5

So it would be A?

Answer 6

Yup!

Answer 7

Thanks!