Unit 2.2: Physical & Chemical Changes WAYGROUND

Front

What is a chemical change?

Back

A chemical change is a process where substances transform into entirely new substances with different properties.

Front

Give an example of a chemical change.

Back

An example of a chemical change is copper corroding and turning green over time.

Front

What is a physical change?

Back

A physical change is a change of matter from one form to another without a change in chemical properties.

Front

Give an example of a physical change.

Back

An example of a physical change is a pencil being sharpened and writing on paper.

Front

What happens during a chemical change?

Back

During a chemical change, the chemical composition of the substances involved changes, resulting in new substances.

Front

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

Back

A physical change does not alter the chemical composition of a substance, while a chemical change results in new substances.

Front

What is an example of a physical change involving water?

Back

An example of a physical change involving water is ice melting into water.

Front

What is an example of a chemical change involving food?

Back

An example of a chemical change involving food is boiling an egg.

Front

What is the term for a change that does not produce a new substance?

Back

The term for a change that does not produce a new substance is a physical change.

Front

What is an example of a chemical change involving metals?

Back

An example of a chemical change involving metals is rust forming on iron.