Topic 1 Lesson 1- 7th Grade Science

Front

Matter

Back

Anything that has mass and takes up space

Front

Substance

Back

A single kind of matter that always has a specific makeup or composition

Front

Physical Property

Back

A characteristic that can be observed without changing the matter into another type of matter

Front

Solubility

Back

How easily a substance dissolves in another substance, such as water

Front

Chemical Properties

Back

Characteristics that describe something's ability to become something else

Front

Atom

Back

The basic unit from which all matter is made

Front

Elements

Back

Substances that are made up of only one type of atom

Front

Molecule

Back

A group of two or more atoms held together by chemical bonds

Front

Compound

Back

A substance made of two or more elements that are chemically combined in a set ratio

Front

Mixture

Back

Made up of two or more substances that are together in the same place, but their atoms are not chemically combined