Thermal Energy

Front

How does heat flow?

Back

Always from warm to cold.

Front

When matter goes from a gas to a liquid, the molecules ____________.

Back

move closer to each other and slow down.

Front

Describe the relationship between the temperature of the water and the energy of the water molecules.

Back

The higher the temperature of the water, the greater amount of energy in the system and the faster the water molecules move.

Front

What type of thermal energy transfer occurs through direct contact?

Back

Conduction.

Front

What does a high specific heat mean?

Back

It requires more energy to change temperature.

Front

What is thermal energy?

Back

The total kinetic energy of all the particles in a substance.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation?

Back

The transfer of heat through electromagnetic waves.

Front

What happens to the molecules of a substance when it is heated?

Back

They move faster and spread apart.