About This Chapter
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- Have fallen behind in understanding soil erosion or working with weathering rates.
- Need an efficient way to learn about weathering and erosion.
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How it works:
- Start at the beginning, or identify the topics that you need help with.
- Watch and learn from fun videos, reviewing as needed.
- Refer to the video transcripts to reinforce your learning.
- Test your understanding of each lesson with short quizzes.
- Submit questions to one of our instructors for personalized support if you need extra help.
- Verify you're ready by completing the Weathering and Erosion chapter exam.
Why it works:
- Study Efficiently: Skip what you know, review what you don't.
- Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
- Be Ready on Test Day: Use the Weathering and Erosion chapter exam to be prepared.
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Students will review:
In this chapter, you'll learn the answers to questions including:
- How does mechanical weathering affect rocks?
- How do the processes of chemical weathering differ?
- What is the effect of atmosphere and climate on the rate of weathering?
- How is soil structured, and how does it erode?
- How can crop rotation, terracing and vegetation prevent erosion?
- What are the types and triggers of mass wasting?
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. What is Soil Erosion? - Definition and Causes
With soil erosion, the top layer of soil is worn away due to factors such as water, wind and tillage of farmland. Learn about soil erosion and how natural elements and human activities break up and transport soil.
6. 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.
7. 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.
8. 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.
9. 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.
10. What is Deformation? - Definition, Types & Process
This lesson will discuss the various types of deformation that shape the Earth's crust. After the lesson, there will be a brief quiz to test what you have learned.
11. What is Topsoil? - Definition, Composition & Uses
Have you every heard the word topsoil and wondered what was so special about topsoil? In this lesson you will learn how to determine topsoil from other types of soil, why topsoil is important and what topsoil is used for!
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Other chapters within the College Earth Science: Help and Review course
- Earth Science Basics: Help and Review
- Geologic Time: Help and Review
- Properties of Matter: Help and Review
- Earth's Spheres and Internal Structure: Help and Review
- Plate Tectonics: Help and Review
- Minerals and Rocks: Help and Review
- Igneous Rocks: Help and Review
- Volcanoes: Help and Review
- Sedimentary Rocks - A Deeper Look: Help and Review
- Metamorphic Rocks - A Deeper Look: Help and Review
- Rock Deformation and Mountain Building: Help and Review
- Water Balance: Help and Review
- Running Water: Help and Review
- Ground Water: Help and Review
- Glaciers: Help and Review
- Oceans: Help and Review
- Coastal Hazards: Help and Review
- The Atmosphere: Help and Review
- Weather and Storms: Help and Review
- Earthquakes: Help and Review
- Earth History: Help and Review
- Energy Resources: Help and Review