Phase Changes

Front

What happens to the atoms in a metal as it cools?

Back

The atoms slow down and move closer together.

Front

What state of matter is a substance in when heat energy and temperature are at their lowest?

Back

Solid

Front

What are the characteristics of a solid?

Back

Solids have a definite shape and definite volume.

Front

Why do atoms in a solid still vibrate?

Back

All solids have some thermal energy.

Front

What happens to the heat in gas particles during condensation?

Back

The heat leaves the gas as it condenses.

Front

What is a phase change?

Back

A phase change is the transformation of a substance from one state of matter to another.

Front

What are the three main states of matter?

Back

Solid, liquid, gas.

Front

What is melting?

Back

Melting is the process of a solid turning into a liquid when heat is applied.

Front

What is freezing?

Back

Freezing is the process of a liquid turning into a solid when heat is removed.

Front

What is evaporation?

Back

Evaporation is the process of a liquid turning into a gas when heat is applied.