6.2 Vocabulary Lessons 1-6

Front

To go up or become larger.

Back

increase

Front

To go down or be less.

Back

decrease

Front

Anything that takes up space.

Back

matter

Front

The amount of matter in an object.

Back

mass

Front

A system in which no matter is allowed to enter or leave.

Back

closed system

Front

A system that can exchange matter with its surroundings.

Back

open system

Front

The basic unit of matter.

Back

atom

Front

A substance made of two or more different types of atoms bonded together.

Back

compound

Front

The smallest unit of a chemical element that retains its properties.

Back

atom

Front

The measure of the amount of space an object occupies.

Back

volume