Heat and Temperature

Front

Warm air is __________ dense than cold air and rises creating convection currents.

Back

less

Front

The faster molecules move, __________.

Back

the higher the temperature.

Front

The transfer of thermal energy between objects of different temperatures is called...

Back

heat.

Front

When would an object left in a room temperature room stop transferring heat?

Back

When it has reached the same temperature as the room temperature air.

Front

The faster an object moves, the ________ kinetic energy it has.

Back

more.

Front

What is temperature?

Back

A measure of the average kinetic energy of the particles in a substance.

Front

What is convection?

Back

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

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is radiation?

Back

The transfer of heat in the form of electromagnetic waves.

Front

What happens to the density of air as it is heated?

Back

It becomes less dense.