Which statement about convection is correct?
A. Convection occurs when a heated particle comes in contact with another particle, transferring heat. This transfer of heat can occur in solids, liquids, or gases.
B. Convection occurs when a heated particle comes in contact with another particle, transferring heat. This transfer of heat can only occur in solids, not liquids or gases.
C. Convection occurs when heated particles of a material flow toward areas having more thermal energy. This movement of particles can only occur in liquids, not gases or solids.
D. Convection occurs when heated particles of a material flow toward areas having less thermal energy. This movement of particles can only occur in gases and liquids, not solids.

Convection occurs when heated particles of a material flow toward areas having more thermal energy. This movement of particles can only occur in liquids and gases not solids.

Explanation:

Convection occurs when heated particles of a material flow toward areas having more thermal energy. This movement of particles can only occur in liquids and gases not solids.

Convection is one of the three modes of heat transfer. It is the transfer of heat caused by fluid (which can be liquid or gas)movement from one particle to another. There is presence of intervening medium between particles. Convection occurs only in liquids. Example is the transfer of heat from a hot food in a thermoflask to the base of its cork. It leads to formation of water droplets at the base of the cork.