Multiple choice

Anytime hot matter rises and cool matter sinks, _______ is occurring.

  1. absorption

  2. polarization

  3. conduction

  4. convection

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Convection occurs when warmer, less dense matter rises and cooler, denser matter sinks, creating a cycle. This is the primary mechanism for heat transfer in fluids.