PPT-Last Lecture Chemical weathering: main driver is acidic water

When common rock forming minerals are weathered the typical reaction results in some loss of cations and the production of clays Because silicate mineral weathering consumes CO 2 weathering can influence global climate. Chapter 3: Introduction. 8 main terms to learn. Weathering. Erosion. Denudation. Mechanical weathering. Chemical weathering. Transport. Deposition. Agents of weathering. Weathering. The breaking down of rocks that lie exposed to the weather.. Chapter 7 –Weathering and Erosion. Objectives:. Distinguish between weathering and erosion. Identify physical variables that cause mechanical weathering. Identify chemical variables that cause chemical weathering. Weathering. The breakdown do the materials of Earth’s crust into smaller pieces.. Physical Weathering. Process by which rocks are broken down into smaller pieces by external conditions.. Types of Physical weathering. Miss Johnstone’s Expectations. Arriving and leaving the classroom. Presentation. Underline your titles. Always put the date. Draw in pencil. Draw a line under previous lessons work and carry on. Learning Objectives. Chapter 7. Section 7.1 Weathering. Weathering is the process by which rocks on or near Earth’s surface break down and change. . Erosion is the removal and transport of weathered material from one location to another.. WEATHERING. Nature of weathering and erosion. Weathering. chemical and/or physical breakdown of a rock or mineral material. weathering involves specific processes acting on materials at or near the Earth’s surface. Weathering. Weathering is the process that breaks down rock and other substances at the Earth’s surface. . Heat, cold, water, and ice all contribute to weathering.. Repeated freezing and thawing for example can crack rock apart into smaller pieces. . Weathering. Chemical Weathering. Hydration: chemical reaction that consumes H. 2. O [ 2KAlSi. 3. O. 8. 2H. 2. CO. 3. H. 2. O = Al. 2. Si. 2. O. 5. (OH). 4. 4SiO. 2. 2K. . 2HCO. 3. -. ]. Weathering and Erosion. Table of Contents. Section 1 . Weathering Processes. Section 2 . Rates of Weathering. Section 3 . Soil. Section 4 . Erosion. Chapter. 14. Section 1 . Weathering Processes. Predict how weathering might reshape surface features (topography). Weathering and Erosion. The top part of the lithosphere—the earth’s surface—changes as rocks are broken down to smaller pieces and carried away.. V-Map. 1 side for chalk. 1 side for . m&m’s. . Do Now. SWBAT describe mechanical weathering. 1. Where do pebbles and small particles of rock come from?. 2. . Did anyone carve pumpkins this weekend?. What is Weathering?. The scenes of the world are continuously mutating. Sun, rain, frost, and wind are breaking down even the most solid of the rocks into smaller bits before they are taken away. This process is termed as weathering. . Chapters 14, 15, 16, 17, and 18. SES3. Students will explore the actions of water, wind, ice, and gravity that create landforms and systems of landforms (landscapes). . a. . Describe how surface water and groundwater act as the major agents of physical and chemical weathering. . Eric . Angat. Teacher. What are the two types of weathering?. What are the different types of physical weathering?. How is root wedging similar with frost wedging?. Why are rivers rocks rounded and smooth? Think!.