VOCABULARY Chapter 2

Front

Pure Substance

Back

a substance

Tags

NGSS.MS-PS1-4

Front

Element

Back

A substance that cannot be broken down into simpler substances

Front

Atom

Back

Smallest particle of an element

Tags

NGSS.MS-PS1-1

Front

Compund

Back

Substance made from two or more simpler substances, and can be broken down into those simpler substances

Front

Heterogeneous Mixture

Back

Mixture where the parts are noticeably different from one another

Front

Homogeneous Mixture

Back

Mixture where it is difficult to tell one part from another because they are so evenly distributed

Front

Solution

Back

When substances dissolve and from a homogeneous mixture

Front

Suspension

Back

Heterogeneous mixture that separates into layers over time

Front

Colloid

Back

Contains particles that are intermediate in size, ranges from particles found in solutions to suspensions

Front

Physical Property

Back

Any characteristic of a material that is measurable/observable without changing the makeup of the substances in the material