Particles in Motion

Front

Thermal ______ happens when particle motion decreases and cause the particles to occupy less volume.

Back

Contraction

Front

As mass increases, energy_____

Back

increases

Front

Adding energy to water causes the water particles to...

Back

speed up

Front

When a substance is heated, its particles move ______.

Back

faster

Front

As temperature increases, kinetic energy ________.

Back

increases

Front

What is the definition of kinetic energy?

Back

The energy that an object possesses due to its motion.

Front

What happens to particles in a substance when it is heated?

Back

They move faster and spread apart.

Front

What is thermal expansion?

Back

The increase in volume of a substance due to an increase in temperature.

Front

What is the relationship between temperature and particle motion?

Back

As temperature increases, particle motion increases.

Front

What is the definition of thermal contraction?

Back

The decrease in volume of a substance due to a decrease in temperature.