Modeling Matter Unit Review

Front

What is matter?

Back

Matter is anything 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 property of solids?

Back

Solids have a definite shape and volume.

Front

What is a property of liquids?

Back

Liquids have a definite volume but take the shape of their container.

Front

What is a property of gases?

Back

Gases have no definite shape or volume and expand to fill their container.

Front

What happens to the molecules in a hot air balloon when heated?

Back

The molecules move quickly, causing the air to expand and become less dense.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

What is a solution?

Back

A solution is a type of mixture where one substance is dissolved in another.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.