APES Soils Review

Front

What is the process called when water gets into the cracks of rock and freezes, causing the rock to break?

Back

Weathering

Front

What is the top layer of soil that consists of a mixture of soil, loam, and detritus?

Back

A horizon

Front

Soil formation begins with the weathering of what material?

Back

Rock

Front

What is the correct order of soil horizons starting at the surface?

Back

O, A, E, B, C

Front

If a hole in the soil fills with water and does not empty after several days of dry weather, what type of soil is it mostly made of?

Back

Clay

Front

What is the layer of soil below the topsoil called?

Back

B horizon

Front

What is the organic matter in soil that is formed from decomposed plants and animals?

Back

Humus

Front

What is the term for the process of soil erosion caused by wind and water?

Back

Erosion

Front

What is the layer of soil that is primarily composed of weathered rock and minerals?

Back

C horizon

Front

What type of soil is characterized by large particles and good drainage?

Back

Sand