About This Chapter
Learn all about the processes of weathering, wasting and soil erosion. In this chapter, video instructors explain these processes and why they are important to Earth sciences. You'll be introduced to all the major theories that help shape our current understanding of weathering and erosion and learn about the important vocabulary associated with this branch of Earth science. At the end of this chapter, you should be able to:
- Differentiate between chemical and mechanical weathering
- Explain the process of soil erosion and what can be done to control it
- Explain the role of mass wasting
- Differentiate between the four major processess of mass wasting
|Mechanical Weathering: Definition, Process, Types & Examples||Describe the basic process of mechanical weathering.|
|What is Chemical Weathering? - Definition, Process & Examples||Describe the processes of chemical weathering.|
|Factors that Affect the Rate of Weathering||Identify the different factors that affect the rate of weathering, including rock characteristic and climate.|
|What is Soil? - Definition, Structure & Types||Describe the nature of soil as the interface between Earth's major spheres.|
|What is Soil Erosion? - Definition, Causes, Effects & Prevention||Describe the process and control of soil erosion.|
|Mass Wasting: Definition, Types, Causes & Processes||Describe the overall process and role of mass wasting in the formation of the earth's surface.|
|Major Triggers for Mass Wasting: Water, Slopes, Vegetation Removal & Earthquakes||Identify and describe the major triggers for mass wasting, including water, slopes, vegetation removal, and earthquakes.|
|Types of Wasting: Slump, Rockslide, Debris Flow & Earthflow||Identify and describe the major processes of mass wasting, including slump, rockslide, debris flow, and earth flow.|
1. Mechanical Weathering: Definition, Process, Types & Examples
Over time, the forces of the natural environment cause rocks to physically break down in a process called mechanical weathering. Learn how factors, such as wind, water and temperature fluctuations lead to mechanical weathering.
2. What is Chemical Weathering? - Definition, Process & Examples
Chemical weathering is what happens when rocks are broken down and chemically altered. Learn about the different types of chemical weathering, including hydrolysis, oxidation, carbonation, acid rain and acids produced by lichens.
3. Factors that Affect the Rate of Weathering
Weathering is the process that breaks down rocks into smaller pieces. The rate at which rock weathers depends on certain factors. Learn how factors, such as exposure to the atmosphere, the composition of rock and climate affect the rate of weathering.
4. What is Soil? - Definition, Structure & Types
Soil is the material found on the surface of the earth that is composed of organic and inorganic material. Soil varies due to its structure and composition. Learn about the different types of soil and soil structures in this video lesson.
5. Soil Erosion: Effects & Prevention
Topsoil is lost through soil erosion. This can reduce soil quality and cause water pollution. Learn about the effects of soil erosion as well as preventative measures, including increased vegetation, terracing, crop rotation and strip cropping.
6. Mass Wasting: Definition, Types, Causes & Processes
Mass wasting or mass movement is the movement of a large mass of rock, soil and debris downward due to the pull of gravity. Learn about the process of mass wasting, the factors that must be present to trigger it and the different types.
7. Major Triggers for Mass Wasting: Water, Slopes, Vegetation Removal & Earthquakes
Mass wasting is the movement of mass amounts of rock, soil and debris downward due to gravity. Learn about major triggers of mass wasting, such as increased water, increased slope steepness, the removal of vegetation and earthquakes.
8. Types of Wasting: Slump, Rockslide, Debris Flow & Earthflow
Mass wasting is a type of erosion that results in the mass movement of rock, soil and debris down a slope. Learn about the different types of mass wasting, including slumps, rockslides, debris flows and earthflows.
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Other chapters within the Earth Science 101: Earth Science course
- Earth Science Basics
- Geologic Time
- Characteristics of Matter
- Earth's Spheres and Internal Structure
- Plate Tectonics
- Minerals and Rocks
- Igneous Rocks
- Volcanic Landforms
- Sedimentary Rocks: A Deeper Look
- Metamorphic Rocks: A Deeper Look
- Rock Deformation and Mountain Building
- Water Balance on Earth
- Running Water
- Ground Water
- Coastal Hazards
- Earth's Atmosphere
- Weather, Air Masses & Storms
- Earth History
- Energy Resources
- Studying for Earth Science 101