Changes of State

Front

How is a gas defined?

Back

Indefinite shape, indefinite volume.

Front

Which form of matter does not take the shape of its container?

Back

Solid.

Front

Describe the arrangement of particles in a liquid.

Back

Particles are free to move around one another but still touch.

Front

What is sublimation?

Back

Phase change from solid to gas.

Front

What is the melting point of water?

Back

0°C.

Front

What is the definition of a solid?

Back

Matter with a definite shape and definite volume.

Front

What happens to the particles of a solid when it melts?

Back

They gain energy and begin to move more freely.

Front

What is evaporation?

Back

Phase change from liquid to gas.

Front

What is condensation?

Back

Phase change from gas to liquid.

Front

What is the boiling point of water?

Back

100°C at standard atmospheric pressure.