States of Matter/Phase Changes

Front

What is the definition of a gas?

Back

A gas has no definite shape and no definite volume.

Front

What is the definition of a liquid?

Back

A liquid has no definite shape but has a definite volume.

Front

What is the phase change from solid to liquid called?

Back

Melting.

Front

What is the definition of a solid?

Back

A solid has a definite shape and a definite volume.

Front

What happens when heat is added to a substance?

Back

Adding heat can change its state of matter, speeds up the molecules, and adds kinetic energy.

Front

What is evaporation?

Back

Evaporation is the phase change from liquid to gas.

Front

What is condensation?

Back

Condensation is the phase change from gas to liquid.

Front

What is freezing?

Back

Freezing is the phase change from liquid to solid.

Front

What is sublimation?

Back

Sublimation is the phase change from solid directly to gas.

Front

What is deposition?

Back

Deposition is the phase change from gas directly to solid.