About This Chapter
Weathering, Erosion & Deposition - Chapter Summary
This chapter's video lessons focus on the effects of weathering, erosion and deposition on landforms. Our experienced instructors explain the processes of chemical and mechanical weathering as well as the factors that lead to soil erosion. You'll also take a look at some of the many landforms created by the process of glacial deposition. Once you've studied the entire chapter, you should be able to do the following:
- Recognize the impact of erosion and deposition on landforms
- Give examples of mechanical and chemical weathering
- Identify factors that affect the weathering rate
- Explain how soil is formed
- List causes of soil erosion
- Describe the types of wasting
- Define glacial erosion
- Provide examples of landforms created by glacial deposition
With our brief video lessons available on mobile devices, you'll be able to learn about these earth science topics when and where it fits your schedule. Our videos are full of engaging graphics and straightforward explanations to help you retain important terms or concepts. We also provide video transcripts that often have links to other relevant lessons. After you've completed each lesson, take the self-assessment quizzes to check your grasp of the chapter material.
1. Effect of Erosion and Deposition on Landforms
Erosion and deposition affect landforms through the movement of broken-down rock from place to place, and the laying down of broken rock. Explore the process and differences between mechanical and chemical weathering and learn about landforms and how erosion and deposition affect landforms.
2. Mechanical Weathering: Definition, Process, Types & Examples
Mechanical weathering can be defined as the breakdown of rocks due to natural forces like wind, water, cold, and heat. Explore the examples of the different types of mechanical weathering, including thermal expansion, frost shattering, plant activity, and abrasion affect rock formations.
3. What is Chemical Weathering? - Definition, Process & Examples
Chemical weathering in geology is the process by which rocks are slowly broken down through chemical reactions, often resulting in a different substance entirely. Explore the effects caused by the five main types of chemical weathering: hydrolysis, oxidation, carbonation, lichens, and acid rain.
4. Factors that Affect the Rate of Weathering
There are several factors that affect the rate of weathering of rocks. Explore how these factors, including exposure to the atmosphere, the composition of rock, and the climate, all affect the rate of weathering.
5. The Formation and Composition of Soil: Definition and Factors
While the term 'soil' is often simply associated with dirt, it is actually a complex mixture of elements that has unique physical characteristics. Learn what soil really is and explore its layers and how different factors contribute to its formation.
6. What is Soil Erosion? - Definition and Causes
Soil erosion is the process of topsoil degradation, often through weathering or agricultural practices. Explore a variety of environmental causes of soil erosion, and their respective impact on the landscape.
7. Types of Wasting: Slump, Rockslide, Debris Flow & Earthflow
There are several types of wasting that demonstrate the effects of erosion. Learn about the types of mass wasting, including slumps, rockslides, debris flow, and earthflow, and explore some causes of mass wasting.
8. Glacial Erosion: Definition, Processes & Features
When land is in the way of a slowly moving glacier, it can experience glacial erosion. In this lesson, learn what glacial erosion is, how it works, and specific features of the process.
9. Glacial Deposition: Definition & Results
Glacial deposition is when sediment and rocks drop from land formations due to glacier movements. Learn more on this, glacial till and moraines, characterize glacial erratics, and describe the appearance of drumlins.
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Other chapters within the AEPA Earth Science (AZ045): Practice & Study Guide course
- Development of Earth & Space Science
- Nature of Scientific Inquiry
- Scientific Data & Calculations
- Maps & Spatial Concepts
- Space Science Technology
- Laboratory Safety & Procedures
- Earth's Formation & Structure
- Plate Tectonics, Continental Drift & Ocean Formations
- Time & Dating in Geology
- Physical & Chemical Properties of Earth's Minerals
- Rocks & Minerals
- Understanding Earthquakes
- Biogeochemical Cycles
- Earth's Hydrologic Cycle
- Earth's Fresh Water
- Atmospheric Structure & Energy Transfer
- The Ozone Layer, Climate Change & Air Pollution
- Season & Climate Classifications
- Earth's Climate System: Wind, Air Masses & El Nino
- Weather Conditions & Severe Weather Phenomena
- Weather Forecasting and Analysis
- Characteristics of Ocean Water, Currents & Waves
- The Earth & the Moon
- The Sun's Structure, Energy & Life Cycle
- Celestial Orbit Characteristics
- Solar Radiation, Energy & Electromagnetic Waves
- Formation of the Solar System
- Celestial Bodies of the Solar System
- Kepler & Newton's Laws of Motion
- Star Types and Significance
- Characteristics of Stars
- Structure of the Milky Way Galaxy
- The Universe: Key Concepts & Theories
- AEPA Earth Science Flashcards