Phases and Phase Changes

Front

What is the phase of matter in which the atoms are moving freely and are very far apart?

Back

Gas

Front

What is the phase of matter with a definite volume but no definite shape?

Back

Liquid

Front

What two phase changes require heat energy to be absorbed?

Back

Melting and boiling

Front

What phase change is demonstrated by the water droplets on the outside of a glass of water?

Back

Condensation

Front

What happens to atoms when energy is removed (cooled)?

Back

They move closer together.

Front

What is the phase of matter where atoms are tightly packed and vibrate in place?

Back

Solid

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

Evaporation

Front

What is the phase change called when a gas turns into a liquid?

Back

Condensation

Front

What is the phase of matter that has no definite shape and takes the shape of its container?

Back

Liquid