Physical & Chemical Changes

Front

What is a chemical change?

Back

A chemical change is a process that typically creates a new substance.

Front

Which of the following is NOT an example of a physical change?

Back

Digesting is NOT an example of a physical change.

Front

What is an example of a physical change?

Back

Broken glass is an example of a physical change.

Front

Which of the following is NOT an example of a chemical change?

Back

Cutting lemons is NOT an example of a chemical change.

Front

What is one example of a physical change?

Back

Mixing salt in water is an example of a physical change.

Front

What happens during a physical change?

Back

During a physical change, the form of a substance changes, but its chemical composition remains the same.

Front

What is a key characteristic of a chemical change?

Back

A key characteristic of a chemical change is that it results in the formation of one or more new substances.

Front

Can a physical change be reversed?

Back

Yes, many physical changes can be reversed, such as freezing and melting.

Front

Can a chemical change be reversed?

Back

Most chemical changes cannot be easily reversed.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.