States of Matter: Solids, Liquids, and Gases

Front

What happens to the atoms in a substance when it is heated?

Back

They move faster and spread apart.

Front

Which of the following is NOT a characteristic of a solid?

Back

Can be poured.

Front

How does the arrangement of atoms in a gas compare to that in a liquid?

Back

Atoms in a gas are less tightly packed than in a liquid.

Front

When a liquid becomes a gas, what is this process called?

Back

Evaporation.

Front

What is the main difference between a liquid and a gas?

Back

Liquids have a definite volume, while gases do not.

Front

What is a solid?

Back

A state of matter with a definite shape and volume, where atoms are closely packed.

Front

What is a liquid?

Back

A state of matter that has a definite volume but takes the shape of its container.

Front

What is a gas?

Back

A state of matter that has no definite shape or volume and fills its container.

Front

What is condensation?

Back

The process by which a gas turns into a liquid.

Front

What is melting?

Back

The process of a solid turning into a liquid when heated.