Login

Ch 9: Weathering and Erosion

About This Chapter

Watch video lessons and learn about the different aspects of how weathering and erosion affect the surface of the Earth. These lessons are just a portion of our Earth sciences learning materials.

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

VideoObjective
Mechanical Weathering: Definition, Process, Types & ExamplesDescribe the basic process of mechanical weathering.
What is Chemical Weathering? - Definition, Process & ExamplesDescribe the processes of chemical weathering.
Factors that Affect the Rate of WeatheringIdentify the different factors that affect the rate of weathering, including rock characteristic and climate.
What is Soil? - Definition, Structure & TypesDescribe the nature of soil as the interface between Earth's major spheres.
What is Soil Erosion? - Definition, Causes, Effects & PreventionDescribe the process and control of soil erosion.
Mass Wasting: Definition, Types, Causes & ProcessesDescribe 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 & EarthquakesIdentify and describe the major triggers for mass wasting, including water, slopes, vegetation removal, and earthquakes.
Types of Wasting: Slump, Rockslide, Debris Flow & EarthflowIdentify and describe the major processes of mass wasting, including slump, rockslide, debris flow, and earth flow.

8 Lessons in Chapter 9: Weathering and Erosion
Mechanical Weathering: Definition, Process, Types & Examples

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.

What is Chemical Weathering? - Definition, Process & Examples

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.

Factors that Affect the Rate of Weathering

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.

What is Soil? - Definition, Structure & Types

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.

Soil Erosion: Effects & Prevention

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.

Mass Wasting: Definition, Types, Causes & Processes

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.

Major Triggers for Mass Wasting: Water, Slopes, Vegetation Removal & Earthquakes

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.

Types of Wasting: Slump, Rockslide, Debris Flow & Earthflow

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.

Earning College Credit

Did you know… We have over 95 college courses that prepare you to earn credit by exam that is accepted by over 2,000 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Support