PPT-What is Weathering?

Weathering The breaking down of rock into smaller pieces that remain next to each other Weathering forms sediments There are two types of weathering Mechanical Physical Chemical Mechanical Weathering. Chapter 5.1. What is Weathering?. Weathering can be defined as any. chemical or mechanical process by which rocks exposed to weather undergo changes in character or are broken down into smaller pieces. 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. 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. Rose . AnnAgo. IV-6 . BEEd. WHITTLING . WIND . Bryce Canyon in Utah is a weathering wonder. Weathering and erosion have whittled away the rocks there for millions of years.. Today . huge hoodoos rise from the canyon floor. Hoodoos are rock pillars with shapes on their tops. They tower nearly 610 meters (2,000 feet) above the ground.. 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 . Students will be able to describe and give examples of chemical and physical weathering.. . Weathering. The breakdown of materials on Earth’s crust into smaller pieces.. Two Types of Weathering. Weathering: . The . process that breaks down rock and other substances at Earth’s surface.. Factors that contribute to weathering include:. Heat, cold, water. , ice, oxygen, and carbon dioxide. Erosion: . 4 Types. Ice & Water. Abrasion. Plants & Animals. Exfoliation. 1. Ice & Water. . explanation of how ice and water causes weathering. Add picture. Ice Wedging. Also called…. . “Ice Wedging”. Erosion. The carrying weathered rock from one location to another . Mechanical Weathering. Rock is physically broken down. Smaller pieces have same composition. Chemical Weathering. Rock is chemically broken down. 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.. Weathering can be defined as any. chemical or mechanical process by which rocks exposed to weather undergo changes in character or are broken down into smaller pieces. .. Mechanical Weathering. Mechanical Weathering. Geomorphology (. GEO 301). Geology and Geophysics Department. College of Science. King Saud University. WEATHERING PROCESSES. Weathering is the breakdown of rocks by . mechanical disintegration . and chemical decomposition.. 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. . Lesson 3 . Please Do Now!!!!! . -Looking at this picture what do we think caused this boulder to break apart???. -Please write down your thoughts. . -If you get the correct answer Miss. Swisher will give you a dollar. .