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3rd Soil & Erosion

QuestionAnswer
Topsoil the uppermost layer of soil It has lots of humus and plants grow well there
Subsoil the layer of soil just below the topsoil
Bedrock the bottom layer of solid rock that lies beneath the subsoil
Humus the decayed remains of plants and animals
Clay this type of soil has the smallest particles; it soaks up water too quickly
Loam a mixture of sand, silt, clay, and humus; many plants grow well in this soil
Silt a soft and smooth soil that can turn dry and dusty; it has smaller particles than sand but larger particles than clay
Which type of soil has lots of humus and is great for planting? Loam
Which type of soil has the largest particles, so water runs too quickly through it? Sand
Which type of soil has the smallest particles and is slippery when squeezed? Clay
Which type of soil has bigger particles than clay but smaller than sand? (It can turn dusty). Silt
This type of soil would not be good for planting beacause water would run out of its particles too quickly Sand
The dropping of sediment by wind, water, ice, or gravity is called _____ deposition
This material is in loam and contains decayed remains of plants and animals. It is dark in color Humus
_______ is a force that makes soil and rocks move downhill. Gravity
This type of soil has the smallest particles and absorbs water very fast. It is not the best type of soil for planting, but we have it in Georgia! Clay
This process is the movement of weathered rock material from one place to another Erosion
A ______ is a large mass of slow-moving ice that flows down a slope glacier
______ is the slow breaking apart or wearing away of rock into smaller pieces. Weathering
A ______ delta is formed by deposition. It is a large mass of dropped sediment at the end of a river. From above it looks like a triangle. Delta
_______ is the best type of soil for planting because it contains a mixture of sand, silt, humus, and clay. Loam
Created by: iamcwallace