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Name __________________________ Date_________________ Period_________ Chapter 8.1 Flashcards What is Weathering? The destructive process that breaks down and changes rocks that are exposed to Earth’s surface What are the 4 agents of Weathering? 1. Water 2. Wind 3. Ice 4. Gravity What does soluble mean? Give an example of a substance being soluble. What is Chemical Weathering? Minerals and rocks at earth’s surface weakens and breaks down from exposure to water and gases in the atmosphere & changes the mineral Composition What is the strongest acid type of acid rain? What is Physical Weathering? When carbon dioxide reacts with water, what is formed? What is the most common agent of chemical weathering? Sulfur Dioxide combined with oxygen & water = sulfuric acid Carbonic acid Water What are some pollute in the air that reacts with oxygen to generate acid rain. What is found in the soil profile of horizon A? What is found in the soil profile of horizon B? Topmost layer of the soilcontains: small rocks, minerals, humus, and dark material due to organic material What is Transported Soil? Dissolved minerals containing clay, and is generally red or brown When the substance can be dissolved. Example is sugar dissolving in water Sulfur dioxide, carbon dioxide What is found in the soil profile of horizon C? What is Residual Soil? Weathered parent material or bedrock Soil that remains in the same location in which it was formed Breaking down of rock into smaller pieces WITHOUT changing its mineral composition Developed from weathered material that has been moved to a new location by wind, water, and glaciers What are the 3 agents of chemical Weathering? 1.water 2. acid 3. oxygen List examples of: 1. Chemical Weathered objects. Rust, statues turn green, rocks starts to sizzle, 2. Physical weathered objects Frost wedging, animals burrowing, root growth