Exploring Thermal Energy and Matter

Front

What happens to a material when it loses thermal energy?

Back

It usually contracts.

Front

What state of matter is represented by particles that are close together but can move past each other?

Back

Liquid

Front

What is temperature a measure of?

Back

The average kinetic energy of all the particles in a material.

Front

What occurs when a cold metal spoon is placed in boiling water?

Back

Thermal energy is transferred from the water to the spoon.

Front

What can you do to decrease the volume of a balloon?

Back

Cool it.

Front

What is thermal energy?

Back

The total energy of all the particles in a substance.

Front

What is conduction?

Back

The transfer of thermal energy through direct contact between materials.

Front

What is convection?

Back

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

Front

What is radiation?

Back

The transfer of thermal energy through electromagnetic waves.

Front

What happens to the particles in a gas when it is heated?

Back

They move faster and spread apart.