Definitions 1
Definitions 2
Definitions 3
Definitions 4
Definitions 5
100

A dominant factor in the formation of soil

Climate

100

The arrangement of the natural and artificial physical features of an area.

Topography

100

Any living thing that has the characteristics of life

Living Organisms

100

A natural process that involves the wearing away and transportation of solid rock or dissolved materials by wind or water

Erosion

100

When soil is broken into individuals that do not stick together

Single-grained

200

The process that occurs to break down the rocks into soil

Weathering

200

A living that lives in the soil

Earthworms

200

A dust-like sediment made of rock and mineral particles that are smaller than sand but larger than clay

Silt

200

The measure of heat and cold

Temperature

200

Columns of soil that have a salt cap at the top

Columnar

300

The average thickness of topsoil

10 inches

300

Is absorbed through roots

Water

300

A loose granular material that results from the disintegration of rocks

Sand
300

The amount of time for the soil to form

Million years

300

Cause rock particles to grind against each other wearing them down

Rivers

400

Rock material that has undergone some weathering and change

Parent material

400

All living organisms need this to live

Oxygen


400

A type of soil that is made of a mixture of sand, silt, and clay

Loam

400

What component makes up 10% of soil

Roots

400

Overly hard, naturally occurring mineral material

Rocks

500

Minerals and organic materials that support plant growth on the Earth's surface

Soil

500

Helps develop soil by decomposing organic matter and forming weak acids that dissolve minerals faster than pure water

Microorganism

500

Is a soft earthy material that is sticky and malleable when wet and hard when baked

Clay

500

When roots keep plants in place

Anchorage

500

Makes up of 45% of soil

Mineral particles