Chemical and Physical Changes in Matter

Front

What is a chemical change?

Back

A transformation that results in the creation of new substances.

Front

What is a physical change?

Back

An alteration in the physical state of matter without changing its chemical composition.

Front

What happens during a chemical change?

Back

One or more new substances are created.

Front

Give an example of a chemical change.

Back

Lighting a match.

Front

Is mold growing on cheese a physical or chemical change?

Back

Chemical change.

Front

Is melting butter for popcorn a physical or chemical change?

Back

Physical change.

Front

What is the main difference between physical and chemical changes?

Back

Physical changes do not create new substances, while chemical changes do.

Front

What is an example of a physical change?

Back

Cutting a piece of paper.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What is a common indicator of a chemical change?

Back

The production of gas, change in color, or formation of a precipitate.