Vocabulary Words for States of Matter

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is a solid?

Back

A state of matter that has a definite shape and volume; the particles are closely packed together.

Front

What is a liquid?

Back

A state of matter that has a definite volume but takes the shape of its container; the particles are less tightly packed than in a solid.

Front

What is a gas?

Back

A state of matter that has no definite shape or volume; the particles are far apart and move freely.

Front

What is melting?

Back

The process by which a solid turns into a liquid when heated.

Front

What is freezing?

Back

The process by which a liquid turns into a solid when cooled.

Front

What is evaporation?

Back

The process by which a liquid turns into a gas at temperatures below its boiling point.

Front

What is condensation?

Back

The process by which a gas turns into a liquid when cooled.

Front

What is sublimation?

Back

The process by which a solid turns directly into a gas without becoming a liquid first.

Front

What is deposition?

Back

The process by which a gas turns directly into a solid without becoming a liquid first.