Physical Science - Chapter 2 Vocabulary (Pearson

Matter that always has exactly the same composition

• pure substance

• compound

• solution

• heterogeneous mixture

Tags

NGSS.MS-PS1-4

A substance that cannot be broken down into simpler substances

• element

• compound

• colloid

• suspension

The smallest particle of an element.

• atom

• element

• pure substance

• compound

A substance that is made from two or more simpler substances and can be broken down into those simpler substances.

• compound

• element

• pure substance

• homogeneous mixture

The parts of the mixture are noticeably different from one another.

• heterogeneous mixture

• homogeneous mixture

• compound

• pure substance

The substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another.

• homogeneous mixture

• heterogeneous mixture

• element

• compound

When substances dissolve and form a homogeneous mixture.

• solution

• suspension

• colloid

• compound

A heterogeneous mixture that separates into layers over time.

• suspension

• solution

• colloid

• pure substance

A ____ contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension.

• colloid

• suspension

• solution

• heterogeneous mixture

Any characteristic of a material that can be observed or measured without changing the composition of the substances.

• physical property

• physical change

• distillation

• melting point