A dominant factor in the formation of soil
Climate
The arrangement of the natural and artificial physical features of an area.
Topography
Any living thing that has the characteristics of life
Living Organisms
A natural process that involves the wearing away and transportation of solid rock or dissolved materials by wind or water
Erosion
When soil is broken into individuals that do not stick together
Single-grained
The process that occurs to break down the rocks into soil
Weathering
A living that lives in the soil
Earthworms
A dust-like sediment made of rock and mineral particles that are smaller than sand but larger than clay
Silt
The measure of heat and cold
Temperature
Columns of soil that have a salt cap at the top
Columnar
The average thickness of topsoil
10 inches
Is absorbed through roots
Water
A loose granular material that results from the disintegration of rocks
The amount of time for the soil to form
Million years
Cause rock particles to grind against each other wearing them down
Rivers
Rock material that has undergone some weathering and change
Parent material
All living organisms need this to live
Oxygen
A type of soil that is made of a mixture of sand, silt, and clay
Loam
What component makes up 10% of soil
Roots
Overly hard, naturally occurring mineral material
Rocks
Minerals and organic materials that support plant growth on the Earth's surface
Soil
Helps develop soil by decomposing organic matter and forming weak acids that dissolve minerals faster than pure water
Microorganism
Is a soft earthy material that is sticky and malleable when wet and hard when baked
Clay
When roots keep plants in place
Anchorage
Makes up of 45% of soil
Mineral particles