Energy and Phase Changes in matter

Front

What happens to particles in an object at higher temperatures?

Back

Particles in an object move faster.

Front

What is the process called when a solid turns directly into a gas?

Back

Sublimation.

Front

At what temperature does a substance first become a liquid in a phase change diagram?

Back

120 degrees C.

Front

What is the boiling point of a substance if its heating curve shows a temperature of 60 C?

Back

60 C.

Front

What is freezing (or solidification)?

Back

The process of a liquid turning into a solid.

Front

What is the term for the change from liquid to gas?

Back

Vaporization.

Front

What is condensation?

Back

The process of a gas turning into a liquid.

Front

What is the melting point of a substance?

Back

The temperature at which a solid turns into a liquid.

Front

What is the term for the change from solid to liquid?

Back

Melting.

Front

What happens to the energy of particles during freezing?

Back

Energy is released.