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WSF10vocabulary
Weathering&SoilFormation Chapter 10 vocabulary words and meanings
| Question | Answer |
|---|---|
| The natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks | Weathering |
| The process by which rocks break down into smaller pieces by physical means | Mechanical weathering |
| The grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles | Abrasion |
| The process by which rocks break down as a result of chemical reactions | Chemical weathering |
| Rain, sleet, or snow that contains a high concentration of acids | Acid precipitation |
| The process by which softer, less weather resistant rocks wear away at a faster rate than harder, more weather resistant rocks do | Differential weathering |
| A loose mixture of rock fragments, organic material, water, and air that can support the growth of vegetation | Soil |
| A rock formation that is the source of soil | Parent rock |
| The layer of rock beneath soil | Bedrock |
| The soil quality that is based on the proportions of soil particles | Soil texture |
| The arrangement of soil particles | Soil stucture |
| Dark, organic material formed in soil from the decayed remains of plants and animals | Humus |
| A method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss | Soil conservation |
| The process by which wind, water, ice, or gravity transports soil and sediment from one location to another | Erosion |
| The removal of substances that can be dissolved from rock, ore, or layers of soil due to the passing of water | Leaching |