About This Chapter
Who's it for?
Anyone who needs help learning or mastering college physical geology material will benefit from taking this course. You will be able to grasp the subject matter faster, retain critical knowledge longer and earn better grades. You're in the right place if you:
- Have fallen behind in understanding weathering processes or the causes of soil erosion.
- Need an efficient way to learn about weathering, soil and erosion.
- Learn best with engaging auditory and visual tools.
- Struggle with learning disabilities or learning differences, including autism and ADHD.
- Experience difficulty understanding your teachers.
- Missed class time and need to catch up.
- Can't access extra science learning resources at school.
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, Soil 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, Soil and Erosion chapter exam to be prepared.
- Get Extra Support: Ask our subject-matter experts any relevant question. They're here to help!
- Study With Flexibility: Watch videos on any web-ready device.
Students will review:
In this chapter, you'll learn the answers to questions including:
- What are the primary types of mechanical weathering?
- How does chemical weathering occur?
- What are the main factors that impact the rate of weathering?
- How are the different types of soil structured?
- What are the main consequences of soil erosion?
- What are the triggers and types of mass wasting, and how does it work?
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. Permafrost: Definition & Melting
In this lesson, you will learn what permafrost is, where it is found, why it is thawing, and what melting permafrost might mean for the planet. You also might ponder whether or not anyone built a snowman during the ice age!
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Other chapters within the Introduction to Physical Geology: Help and Review course
- Introduction to Geology: Help and Review
- Earth Materials: Help and Review
- Mineral Types, Properties, and Uses: Help and Review
- Earth and Celestial Rocks: Help and Review
- Igneous Rocks in Geology: Help and Review
- Sedimentary Rocks in Geology: Help and Review
- Metamorphic Rocks in Geology: Help and Review
- Rock Deformation, Geological Folds & Faults: Help and Review
- Running Water in Geology: Help and Review
- Ground Water in Geology: Help and Review
- Glaciers in Geology: Help and Review
- Oceans in Geology: Help and Review
- Deserts and Wind: Help and Review
- Water Balance in Geology: Help and Review
- The Universe: Help and Review
- Geologic Time & Radiometric Dating: Help and Review
- Earth's Spheres, Surface & Structure: Help and Review
- Atmospheric Sciences: Help and Review
- Earthquakes in Geology: Help and Review
- Plate Tectonics in Geology: Help and Review
- Energy Resources in Geology: Help and Review
- Renewable & Nonrenewable Resources: Help and Review
- Economic Geology & Mineral Resources: Help and Review
- Human Impact on the Earth & Environment: Help and Review
- Environmental Sustainability in Physical Geology: Help and Review
- Environmental Risk Analysis in Physical Geology: Help and Review
- Ethics, Politics & the Environment: Help and Review