Question

practice it! all the following are correct, except: as a substance is heated, the particles move farther apart and it becomes less dense. a substance will get warmer as it moves away from a heat source. as a substance cools, it will become more dense and sink. convection currents are caused by uneven heating of a substance.

Explanation:

Convection currents occur due to uneven heating causing density - related movement of substances. When a substance moves away from a heat source, it cools and becomes more dense, not warmer. The correct statement is that as a substance cools, it becomes more dense and sinks.

Answer:

The statement "A substance will get warmer as it moves away from a heat source" is incorrect.