Front

What is a molecule?

Back

A group of atoms joined together in a particular way.

Front

What is a substance?

Back

Matter that is made of only one kind of atom.

Front

What is a property?

Back

What you can observe or measure about something that helps you identify or describe it.

Front

What does it mean to dissolve?

Back

To mix evenly into a liquid by breaking apart into pieces that are too small to see.

Front

What does it mean to observe?

Back

To use any of the five senses to gather information about something.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is an atom?

Back

The basic unit of a chemical element, made up of protons, neutrons, and electrons.

Front

What is a mixture?

Back

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

Front

What is the difference between a substance and a mixture?

Back

A substance is made of only one kind of atom, while a mixture contains two or more different substances.

Front

What is an example of a property?

Back

Color, shape, size, and texture are all examples of properties.