1st period Unit 5 Vocab

Front

A rock's grain size and arrangement

Back

Texture

Front

Rock material formed from erosion and breakdown of rocks.

Back

Sediment

Front

Igneous rock formed from volcanic material cooling on Earth's surface.

Back

Extrusive rock.

Front

Igneous rock formed as magma cools underground.

Back

Intrusive rock.

Front

Region beyond settled area

Back

frontier

Front

Elevation too cold for trees:

Back

timberline

Front

Collecting water to irrigate crops

Back

Irrigation

Front

A dry wind over the Great Plains in winter

Back

chinook

Front

Way of life involving movement from place to place

Back

nomadic

Front

Agreeable; friendly and social disposition.

Back

amiable