Heat Transfer

Front

What happens to the particles in a substance when it gets colder?

Back

The particles move slower.

Front

In heat transfer, where does heat flow from?

Back

Heat always flows from the hotter substance to the colder substance.

Front

What is the phase change from liquid to solid called?

Back

Freezing.

Front

What is the phase change from solid to liquid called?

Back

Melting.

Front

What drives convection currents in the Earth's mantle?

Back

The heat from the core.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids and gases).

Front

What is radiation?

Back

Radiation is the transfer of heat through electromagnetic waves.

Front

What is the effect of temperature on particle movement?

Back

Higher temperatures increase particle movement, while lower temperatures decrease it.

Front

What is thermal equilibrium?

Back

Thermal equilibrium is the state in which two objects in contact no longer transfer heat to each other.