Matter Study Guide

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without changing its chemical composition.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

What happens to the mass of an object when it is frozen?

Back

The mass of an object remains the same when it is frozen; it only changes state.

Front

What is an example of a physical change?

Back

Cutting paper is an example of a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change because it creates new substances.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

If you mix 20 grams of water with 7 grams of salt, what is the total mass of the solution?

Back

The total mass of the solution is 27 grams.

Front

What is dissolving?

Back

Dissolving is the process of a substance (solute) mixing with a liquid (solvent) to form a solution.

Front

What is an example of a substance that dissolves in water?

Back

Sugar is an example of a substance that dissolves in water.