SOILS

The uppermost layer of the surface of the earth is known as __________

• water

• soil

• clay

___________ is when rocks, minerals or other parts of Earth’s crust break into smaller pieces.

• erosion

• deposition

• weathering

What is the layer of soil just below the topsoil?

• topsoil

• subsoil

• parent rock

Which of the following is NOT one of the three layers of soil?

• topsoil

• undersoil

• bedrock

Soil is made of

• Weathered rock

• decomposed plants and animals

• air and water

• all of the above