7th HMH Unit 2 L1&2 Vocab

Front

A naturally occurring, inorganic solid with a crystalline structure and chemical composition.

Back

mineral

Front

Pure substances that cannot be broken down by ordinary chemical means.

Back

elements

Front

Building blocks of matter

Back

atom

Front

A substance made of molecules from 2+ elements.

Back

compound

Front

Anything with volume and mass

Back

Matter

Front

A solid geometric form from repeating patterns of atoms or molecules.

Back

crystal

Front

Color of powdered mineral form

Back

streak

Front

Surface light reflection

Back

luster

Front

Mineral's tendency to split along weak planes forming smooth surfaces.

Back

cleavage

Front

Process by which water, wind, ice, and temperature changes break down rock.

Back

weathering