Front

What happens to particles when their temperature increases?

Back

The particles move faster.

Front

What is the relationship between temperature and particle motion?

Back

At higher temperatures, particles in an object move faster.

Front

What state of matter/phase change is occurring during freezing?

Back

Freezing.

Front

What is the energy of motion called?

Back

Kinetic energy.

Front

At what temperature does a substance melt if it melts at 1500°C?

Back

1500°C.

Front

What are the three main states of matter?

Back

Solid, liquid, gas.

Front

What happens to the arrangement of particles in a solid?

Back

Particles are closely packed in a fixed arrangement.

Front

How do particles behave in a liquid state?

Back

Particles are close together but can move past one another.

Front

What is the process called when a solid turns into a liquid?

Back

Melting.

Front

What is the process called when a liquid turns into a gas?

Back

Vaporization.