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Chapter 10 Vocabular
Chapter 10 Vocabulary
Term | Definition |
---|---|
Weathering | The process by which rock materials are broken down by the action of physical and chemical processes. |
Mechanical Weathering | The breakdown of rock into smaller pieces by physical means. |
Abrasion | The grinding and wearing away of rock surface through the mechanical action of other rock or sand particles. |
Chemical weathering | The process by which rocks break down as a result of chemical reactions. |
Acid Precipitation | Rain, sleet, or snow, that contains a high concentration of acids. |
Differential weathering | The process by which softer, less weather resistant rocks wear away and leave harder, more weather resistant rocks behind. |
Soil | A loose mixture of rock fragments. organic material, water, and air that can support the growth of vegetarian. |
Parent Rock | A rock formation that is the source of soil. |
Bedrock | The layer of rock beneath soil. |
Soil Texture | The soil quality that is based on the proportions of soil particles. |
Soil Structure | The arrangement of soil particles. |
Humus | The dark, organic material formed in soil from the decayed remains of plants and animals. |
Leaching | The removal of substances that can be dissolved from rock, ore, or layers of soil due to passing of water. |
Soil Conservation | A method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss. |
Erosion | The process by which wind, water, ice, or gravity transport soil and sediment from one location to another. |