Front

What is a chemical change?

Back

A chemical change creates a new substance.

Front

Which of the following is not a physical change?

Back

Rusting of iron is not a physical change.

Front

What do you call two or more substances mixed together that can be separated?

Back

A mixture.

Front

What is the smallest whole bit of each kind of matter?

Back

An atom.

Front

What happens to a sugar cube in hot water?

Back

It dissolves.

Front

What is 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 an example of a physical change?

Back

Crushing a rock is an example of a physical change.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.