Matter Part 2- 6th Per

Front

What is a chemical equation?

Back

A chemical equation is a short way to show chemical reactions using symbols instead of words.

Front

What does the Law of Conservation of Matter state?

Back

The Law of Conservation of Matter states that matter cannot be created or destroyed.

Front

What are the three states of matter?

Back

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

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering 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 total number of atoms during a chemical reaction?

Back

The total number of atoms on the product side is always the same as the reactant side.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the properties of solids?

Back

Solids have a definite shape and volume, and their particles are closely packed together.

Front

What are the properties of liquids?

Back

Liquids have a definite volume but take the shape of their container, and their particles are less tightly packed than in solids.

Front

What are the properties of gases?

Back

Gases have no definite shape or volume, and their particles are far apart and move freely.