Question

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

The molecules sink.
The molecules sink.

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

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

The molecules move more slowly.

Answer 1

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

As water is heated, the molecules gain energy and start to move more rapidly, which causes them to spread apart, resulting in decreased density.