Question

What happens to water molecules as water is heated?(1 point)
Responses

The molecules become less dense.
The molecules become less dense.

The molecules get closer together.
The molecules get closer together.

The molecules sink.
The molecules sink.

The molecules move more slowly.

Answer 1

The correct response is: **The molecules become less dense.**

As water is heated, the water molecules gain energy and move faster, which causes them to spread apart and become less dense.