Soil

Front

What is a soil horizon?

Back

A layer of soil.

Front

List the particle sizes of soil from smallest to largest.

Back

Clay, silt, sand, gravel.

Front

Which type of soil has the smallest particle size?

Back

Clay.

Front

What is the composition of soil?

Back

A mixture of weathered rock, organic matter, air, and water.

Front

What does it mean if soil is described as permeable?

Back

It allows water to pass through it.

Front

What are the main components of soil?

Back

Minerals, organic matter, water, and air.

Front

What is the role of organic matter in soil?

Back

It improves soil structure, provides nutrients, and enhances water retention.

Front

How does soil texture affect water retention?

Back

Soil texture influences the size of soil pores, which affects how much water can be held.

Front

What is the difference between sand, silt, and clay in terms of drainage?

Back

Sand drains quickly, silt drains moderately, and clay drains slowly.

Front

What is soil permeability?

Back

The ability of soil to transmit water and air.