Front

Conduction

Back

Heat transfer through direct contact between materials.

Front

Convection

Back

Heat transfer through the movement of fluids (liquids and gases) caused by temperature differences.

Front

Radiation

Back

Heat transfer through electromagnetic waves, such as infrared radiation, without the need for a medium.

Front

What causes cold air to fall?

Back

Cold air is more dense (heavier) than hot air.

Front

Example of conduction

Back

Touching a hot stove and feeling the heat transfer to your hand.

Front

Example of convection

Back

Boiling water where hot water rises and cold water sinks.

Front

Example of radiation

Back

Feeling the warmth of the sun on your skin.

Front

What is thermal equilibrium?

Back

A state where two objects in contact reach the same temperature and no heat flows between them.

Front

What is specific heat capacity?

Back

The amount of heat required to raise the temperature of 1 kg of a substance by 1 degree Celsius.

Front

What is the role of insulators?

Back

Materials that reduce the rate of heat transfer.