Matter - Lesson 3: Physical and chemical changes

Front

What happens to the wood and oxygen when it is burned according to the Law of Conservation of Mass?

Back

The atoms in the wood and oxygen rearrange and form smoke and ash.

Front

What type of change is ice melting?

Back

Ice melting is a physical change because it may be reversed.

Front

What does the law of conservation of mass state?

Back

Mass cannot be created nor destroyed, it can only change form.

Front

Is rusting a chemical or physical change?

Back

Rusting is a chemical change.

Front

What type of change occurs when water boils?

Back

Boiling water is a physical change.

Front

Define 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

Give an example of a physical change.

Back

Melting ice is an example of a physical change.

Front

Give an example of a chemical change.

Back

Burning wood is an example of a chemical change.