U2 Changes in Matter & Solutions Focus Words

Front

Element

Back

A pure substance made up of only one type of atom.

Front

Compound

Back

A pure substance made up of two or more different elements in a specific ratio.

Tags

NGSS.MS-PS1-1

Front

Matter

Back

Substance that occupies space, has mass, and is composed of microscopic particles.

Tags

NGSS.MS-PS1-1

Front

Solution

Back

A substance in which a solid, liquid, or gaseous substance is evenly distributed within a liquid or sometimes a gas or solid.

Front

Aqueous Solution

Back

A solution with water as the solvent.

Front

Chemical Change

Back

A change in matter that produces a new substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Concentration

Back

A measurement of the amount of solute that is dissolved in a specific amount of solvent.

Front

Dilution

Back

Process of reducing the concentration of solute/solvent in a solution by adding more solvent (water).

Front

Physical Change

Back

Change which alters the physical properties of a substance without changing its identity.

Front

Rate of Dissolution

Back

Change which alters the physical properties of a substance without changing its identity.