States of Matter and Phase Changes

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three main states of matter?

Back

The three main states of matter are solid, liquid, and gas.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume.

Front

What is a liquid?

Back

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

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape or volume and expands to fill its container.

Front

What happens to the particles in a solid?

Back

In a solid, particles are closely packed together and vibrate in place.

Front

What happens to the particles in a liquid?

Back

In a liquid, particles are close together but can move past each other.

Front

What happens to the particles in a gas?

Back

In a gas, particles are far apart and move freely.

Front

What is condensation?

Back

Condensation is the process of water vapor turning back into liquid water.

Front

What is freezing?

Back

Freezing is the process of a liquid turning into a solid.