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Soil Vocab Cards

Soil Vocabulary

soil The loose material that covers much of Earth's surface and is made up of bits of rock, minerals, and material that was once part of living things.
weathering The slow breaking apart or wearing away of rock into smaller pieces caused by water, wind, ice, and plant roots.
clay A type of soil that is made up of very small, tightly packed particles. Water does NOT pass easily through this soil. It acts like a sponge.
silt A type of soil that is soft, smooth, and contains slightly larger particles than clay. Water passes less easily through this soil.
humus the decayed remains of plants and animals
erosion the movement of weathered rock material from one place to another
loam A type of soil in which plants grow well. It contains sand, silt, clay, and humus
sand A type of soil with very hard, medium sized particles. Water passes easily though the soil.
Created by: angieskinner