PPT-Mechanical Weathering

4 Types Ice amp Water Abrasion Plants amp Animals Exfoliation 1 Ice amp Water explanation of how ice and water causes weathering Add picture Ice Wedging Also called Ice Wedging. 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 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. Chapter 4. What is freeze-thaw action?. Rocks with cracks. +. Moisture (rain, dew, fog etc…PRECIPITATION). +. Temperature drop below 0°C (Freezing Point). Terms:. Expand. Contract. Freeze. Thaw. Strain/pressure. 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: . Weathering . The process by which larger rocks are broken down into smaller and smaller rocks. Destructive force. Mechanical Weathering. The breaking down of larger rocks into smaller rocks WITHOUT changing the rocks’ minerals. 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. Weathering. is the break-up of rock due to exposure to the atmosphere.. Weathering. involves two processes that often work together to decompose or break down rocks.. Chemical and Mechanical. Weathering!. Answers to worksheet. #1: Weathering is the process by which rock material are broken down by the action of physical or chemical means.. #2: Mechanical weathering is the breakdown of rock into small pieces by physical means. . 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?. Unit 7 notes. Weathering. What is it?. Disintegration and Decomposition of rocks . Where does it happen?. At or near the surface of the Earth. Weathering. What does this process look like?. Weathering. Unit 7 notes. Weathering. What is it?. Disintegration and Decomposition of rocks . Where does it happen?. At or near the surface of the Earth. Weathering. What does this process look like?. 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. .. Mechanical Weathering. Mechanical Weathering.