8th Grade Chap 2 Vocab and Element Practice

Front

Change from solid to vapor, skipping liquid, below melting point.

Back

sublimation

Front

Homogenous mixture of two or more pure substances

Back

solution

Front

Basic particle of matter made of protons, electrons, and usually neutrons.

Back

atom

Front

Process where liquid particles enter gas at boiling point.

Back

vaporization

Front

Change in a substance that alters its composition.

Back

chemical reaction

Front

A pure substance with one kind of atom

Back

element

Front

A pure substance of two or more elements bonded in a fixed ratio.

Back

compound

Front

Slow vaporization occurs at a liquid's surface when its temperature is between freezing and boiling points.

Back

evaporation

Front

Change of physical state (solid, liquid, gas).

Back

Phase change

Front

Change that doesn't alter a substance's composition or nuclear properties (e.g., melting, crushing).

Back

physical change