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Stack #1514904
Question | Answer |
---|---|
Erosion | The movement of rocks breaking particles from ice, wind and water. |
Weathering | The process of breaking rocks on Earth surface with other material. |
what are two types of weathering? | Chemical and Mechanical. |
What is mechanical weathering? | when rock is broken down physically. |
Agents of mechanical? | abrasion, freezing and thawing, heating and cooling, animal actions and plant growth. |
What is chemical weathering? | When rocks are broken down chemically. |
what are the agents of chemical? | water, oxygen, carbon dioxide, living things and acid rain. |
What does pereble mean in rocks? | It means that if the rock is open it is easier to weather. |
Is soil the most valuable resource on Earth? True or False? | True. |
Dust Bowl? | The dust bowl began in the 1800's when settlers started moving beacsue of the good soil. Ended up years of drought. |
What are the soil horizons? | Litter or dead materials ,Horizon A (topsoil) Horizon B (subsoil), Horizon C, and bedrock. |
How do farmers contour their plow? | The farmers go along the curve of the slope. |
What is soil actually made of? | Air, Rocks, sand , clay and water. |
What is soil? | A substance that is made out of minerals, rock and humus. |
Why is decomposes important to soil? | They take the remains of dead organisms to help fertilize the soil. |
What is bedrock? | Is a soiled layer of rock that is beneath the soil. |
Soil forms as rock is broken down by weathering and mixes with other materials on the surface. True or False? | True. |
a crumbly dark brown soil that is a mixture of humus, clay and other minerals. | Topsoil (Horizon A) |
usually consists of particles and clay and other certain materials. | Subsoil (Horizon B) |
Is soil that important? | Yes,beacuse if we didn't have soil the we wouldn't be here. because of the oxygen that makes us breathe by trees. |