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Ch 17: Praxis Earth & Space Sciences: Weathering, Soil & Waste

About This Chapter

Let us help you learn more about weathering and other factors that affect the earth's surface. These video lessons and quizzes can aid you in preparation for the Praxis Earth and Space Sciences exam.

Praxis Earth and Space Sciences: Weathering, Soil and Waste - Chapter Summary

This chapter's lessons can aid you on the Praxis Earth and Space Sciences exam through its information on the processes that contribute to changes in the earth's surface over time. You will look at various kinds of chemical and mechanical weathering, examine how soil is formed and discover the types of and triggers for mass wasting. These lessons offer information that will help you to be able to:

  • Share factors that affect the rate of weathering
  • Define soil and understand its structure and types
  • Discuss the causes of soil erosion
  • Recognize the definition, types and causes of mass wasting

Experienced instructors explain these concepts in concise video lessons. Quizzes at the end of each lesson allow you to check your knowledge, and the video's format makes it easy to go back and review key points.

8 Lessons in Chapter 17: Praxis Earth & Space Sciences: Weathering, Soil & Waste
Test your knowledge with a 30-question chapter practice test
Mechanical Weathering: Definition, Process, Types & Examples

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.

What is Chemical Weathering? - Definition, Process & Examples

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.

Factors that Affect the Rate of Weathering

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.

What is Soil? - Definition, Structure & Types

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.

The Formation and Composition of Soil: Definition and Factors

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.

What is Soil Erosion? - Definition and Causes

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.

Mass Wasting: Definition, Types, Causes & Processes

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.

Major Triggers for Mass Wasting: Water, Slopes, Vegetation Removal & Earthquakes

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.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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