week 20- changes of earth vocab.

Front

Use less to extend supply.

Back

Conservation

Front

Process that breaks rocks into smaller pieces

Back

weathering

Front

Process of moving weathered rock and sediment

Back

erosion

Front

Dropping or settling of eroded materials

Back

Deposition

Front

Sand, rock bits, fossils, and matter carried by water, wind, or ice.

Back

sediment

Front

Solid rock under soil

Back

bedrock

Front

Remains of decayed plants or animals in soil

Back

humus

Front

A mixture of water, air, tiny rock pieces, and humus.

Back

Soil

Front

Layer of soil with distinct physical traits from layers above and below.

Back

soil horizon

Front

Cross-section of soil showing various layers

Back

soil profile