Soil Descriptions
Weathering and Erosion
Horizons
100

What color is clay?

red or brown

100

What do you call the movement of weathered rock and soil?

erosion

100

What is C horizon?

(parent material): unweathered rocks

200

What color is sand?

tan, beige

200

What do you call the breaking down of rocks into smaller pieces?

weathering

200

What is R Horizon ?

Bed rock 

300

What is the texture of sand?

rough

300

Does erosion happen quickly or slowly?

slowly

300

What is topsoil used for?

to create new planting areas or to expand existing ones.

400

What is the texture of silt?

rough

400

Does Erosion moves pieces of the Earth? Yes or No

Yes

400

What is a horizon?

They are layers of the different types of soil and the different depths that the

layers will be located at

500

What is soil?

Soil is the loose surface material that covers most land

500

What causes weathering and erosion?

Water, ice, acids, salts, plants, animals, and changes in temperature

500

What are the master horizons?

A, B, and C horizons are known as the master horizons