Soil Vocab Flashcard

Front

What are small grains of worn-down rock that have few nutrients and do not hold water?

Back

Sand

Front

What are broken down fragments of rock found in the soil?

Back

Rock

Front

What is the upper layer of the soil made of humus that is good for plant growth?

Back

Topsoil

Front

What is the bottom layer of soil that is not good for plant growth?

Back

Bedrock

Front

What is the layer of loose materials covering Earth's surface?

Back

Soil

Front

What is the organic material in soil that provides nutrients to plants?

Back

Humus

Front

What is the process called when soil is worn away by wind or water?

Back

Erosion

Front

What type of soil is sticky and holds water well?

Back

Clay

Front

What is the term for the mixture of minerals, organic matter, air, and water that supports plant life?

Back

Soil

Front

What is the layer beneath the topsoil that contains minerals and some organic matter?

Back

Subsoil