Front

What is a state of matter?

Back

A state of matter is a distinct form that different phases of matter take on. The main states are solid, liquid, and gas.

Front

What is a solid?

Back

A solid is a state of matter that has a fixed shape and volume. The particles are closely packed together and do not move freely.

Front

What is a liquid?

Back

A liquid is a state of matter that has a fixed volume but takes the shape of its container. The particles are close together but can move around each other.

Front

What is a gas?

Back

A gas is a state of matter that has no fixed shape or volume. The particles are far apart and move quickly.

Front

Can you name the three main states of matter?

Back

Solid, liquid, and gas.

Front

What happens to the particles in a solid?

Back

The particles in a solid are tightly packed and vibrate in place.

Front

What happens to the particles in a liquid?

Back

The particles in a liquid are close together but can slide past one another, allowing the liquid to flow.

Front

What happens to the particles in a gas?

Back

The particles in a gas are far apart and move freely and quickly in all directions.

Front

How does temperature affect states of matter?

Back

Increasing temperature can change a solid to a liquid (melting) or a liquid to a gas (evaporation). Decreasing temperature can change a gas to a liquid (condensation) or a liquid to a solid (freezing).

Front

What is melting?

Back

Melting is the process of a solid turning into a liquid when it is heated.