Question

When a fluid is heated, what changes occur? It becomes more dense and begins to rise. It becomes less dense and begins to rise. It becomes more dense and begins to sink. It becomes less dense and begins to sink.

Answer 1

Answer: As water's temperature increases in the presence of a heat source, it will become less dense and rise. As it moves up and away from the heat source, it cools and becomes more dense and sinks.

Answer 2

it becomes less dense and begins to rise