About This Chapter
Effect of Weathering, Erosion & Deposition - Chapter Summary
Use this chapter's lessons to take another look at processes shaping the Earth's landforms. Instructors explain various types of mechanical and chemical weathering - such as thermal expansion, abrasion, oxidation and carbonation - before outlining factors that affect the rate of these weathering processes.
You'll also find lessons useful for re-examining soil formation and erosion as well as the types of mass wasting. The chapter concludes with an explanation of glacial erosion and deposition to help you study the effects of these processes on the Great Lakes region. By the end of the chapter, you'll have reviewed:
- Erosion and deposition
- Mechanical weathering
- Chemical weathering
- Soil formation and composition
- Types of mass wasting
The lessons are taught by knowledgeable instructors, who make lesson content as entertaining as it is informative. Plus, you can supplement your review of the topics they discuss by taking the multiple-choice quizzes included with each lesson.
1. Effect of Erosion and Deposition on Landforms
Landforms are constantly being broken down and reformed by the processes of weathering, erosion, and deposition. In this lesson, we explore chemical and physical weathering and how the face of the earth gets changed.
2. 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.
3. 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.
4. 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.
5. The Formation and Composition of Soil: Definition and Factors
In this video lesson you will learn how soil is formed and what it is made of. You will also learn about how soil is classified and distributed in layers underground.
6. 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.
7. Soil Profile: Definition, Development & Types
Explore the characteristics of soil profiles, their horizons and how they develop. Then you can use this knowledge to help you determine the conditions under which the soil developed and understand the history of the surrounding landscape.
8. 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.
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. Glacial Erosion: Definition, Processes & Features
Glaciers are huge blocks of ice that move along the landscape, carving distinct features along the way. Learn about the glacial erosion processes, plucking and abrasion, and the features they create, including cirque, horns, arête and roche moutonnee.
11. Glacial Deposition: Definition & Results
As glaciers move and retreat, they push and drop rocks and sediments in a process known as glacial deposition. Learn about this glacial process and the interesting landforms that result from it, including moraines, erratics and drumlins, in this lesson.
12. Great Lakes Region: Roles of Weathering, Erosion & Glaciation
The Great Lakes and their surrounding region were shaped by the most recent ice sheet advances. This lesson is going to examine how glaciers can alter the landscape and the resulting features you see.
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Other chapters within the MTTC Earth/Space Science (020): Practice & Study Guide course
- Foundations of Earth Science
- Nature of Scientific Inquiry
- Scientific Data & Calculations
- Maps & Spatial Concepts
- Space Science Technology
- Laboratory Equipment, Safety & Procedures
- Earth's Formation & Structure
- Plate Tectonics, Continental Drift & Ocean Formations
- Understanding Earthquakes
- Rocks & Minerals
- Geologic Time & Earth's History
- Environmental Impacts of Earth's Natural Resources
- Properties of Water & the Hydrologic Cycle
- Ocean Formation & Characteristics
- Earth's Groundwater
- Earth's Fresh Water
- Global Water Issues
- Atmospheric Structure & Energy Transfer
- Season & Climate Classifications
- Wind, Air Masses & ENSO in Atmospheric Circulation
- Weather Conditions, Patterns & Severe Weather
- Weather Forecasting and Analysis
- Climate Change & Air Pollution
- The Earth & the Moon
- The Sun's Structure, Energy & Life Cycle
- Solar Radiation, Energy & Light
- Celestial Orbit Characteristics
- Formation of the Solar System
- Celestial Bodies in the Solar System
- Kepler & Newton's Laws of Motion
- Star Types & Life Cycle
- Characteristics of Stars
- Origins & Theories of the Universe
- MTTC Earth/Space Science Flashcards