About This Chapter
HiSET: Weathering & Erosion - Chapter Summary
Mechanical and chemical weathering are among the many topics focused on within this HiSET Science test-prep chapter. The featured video lessons are short and engaging, and the concepts are reinforced through the text transcripts. This chapter explores the following:
- Examples of different types of weathering
- Weathering rate factors
- Soil types
- Soil erosion
- Mass wasting
- Different types of wasting
The lessons in this chapter are taught by professional instructors who use fun graphics to teach their points. There are lesson transcripts to go along with all the videos included in the chapter. You can also take a practice quiz after looking over a lesson for some immediate feedback.
HiSET: Weathering & Erosion Chapter Objectives
On the HiSET Science subtest, you'll have 80 minutes to complete a total of 50 multiple-choice questions. The questions covers topics within the life, earth and physical sciences. Questions concerned with weathering and erosion would be found within the earth science section; earth science questions make up 21% of the test. You should be ready to answer questions on the chemical weathering process, factors that influence the speed of weathering and soil erosion causes after studying this chapter.
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.
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Other chapters within the HiSET Science: Prep and Practice course
- HiSET: Atoms, Elements & the Periodic Table
- HiSET: Inorganic Chemistry
- HiSET: Cell Biology
- HiSET: The Cell Cycle & Cell Division
- HiSET: Biomolecules
- HiSET: Enzymatic Biochemistry
- HiSET: Cellular Respiration & Photosynthesis
- HiSET: Compounds & Chemical Bonds
- HiSET: Chemical Reactions, Acids & Bases
- HiSET: Classification of Organisms
- HiSET: Genetics & Evolution
- HiSET: Genetic Engineering Basics
- HiSET: Animal Reproduction & Development
- HiSET: Human Reproductive Anatomy & Physiology
- HiSET: Human Body Systems
- HiSET: Nervous, Immune & Endocrine Systems
- HiSET: Ecology & Ecosystems
- HiSET: Animal Behavior
- HiSET: Mechanics of Motion
- HiSET: Principles of Light
- HiSET: Energy & Heat
- HiSET: Electricity & Magnetism
- HiSET: Earth Science & Geologic Time
- HiSET: Earth's Spheres & Internal Structure
- HiSET: Minerals & Rocks
- HiSET: Plate Tectonics & Continental Drift
- HiSET: The Atmosphere
- HiSET: Astronomy
- HiSET Science Flashcards