Solid, Liquid, or Gas?

Front

What is matter?

Back

Matter is everything around us that has mass and takes up space.

Front

What are the three states of matter?

Back

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

Front

What is a solid?

Back

A solid has a fixed shape and volume. Its molecules are closely packed and vibrate in place.

Front

What is a liquid?

Back

A liquid has a fixed volume but no fixed shape. It takes the shape of its container.

Front

What is a gas?

Back

A gas has no fixed shape or volume. Its molecules move freely and can spread out to fill a space.

Front

How do molecules behave in a solid?

Back

In a solid, molecules are tightly packed and can only vibrate in place.

Front

How do molecules behave in a liquid?

Back

In a liquid, molecules are close together but can move past one another, allowing the liquid to flow.

Front

How do molecules behave in a gas?

Back

In a gas, molecules are far apart and move quickly in all directions.

Front

What happens to the shape of a gas in a sealed container?

Back

A gas will keep its shape if it is in a sealed container, but it will fill the entire container.

Front

Can you see gas?

Back

Typically, you cannot see gas because it is often invisible.