Ch. 3 Natural Resources Review

Front

Hard, non-living part of Earth?

Back

Rock

Front

Something from Earth that people use:

Back

Natural resource

Front

Slow process breaking down rocks and Earth materials.

Back

Weathering

Front

Tiny rock pieces found on beaches and deserts.

Back

Sand

Front

Mix of tiny rocks and decomposed plants/animals?

Back

Soil

Front

Material from decomposed plants and animals

Back

Humus

Front

Tiny piece?

Back

Particle

Front

Material from earth made of small rock particles.

Back

Clay

Front

Breaking down of dead plant and animal material.

Back

Decomposition

Front

Small animals underground change soil by helping dead plants decompose into humus.

Back

Helps dead plants decompose into humus.