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Ch 6: Shaping the Earth's Surface

About This Chapter

Watch video lessons and learn about the effects of erosion and deposition on the earth's surface as well as the ways that natural events shape habitats. These video lessons are short and engaging and make learning easy!

Shaping the Earth's Surface - Chapter Summary and Learning Objectives

The earth's topography can be reshaped through a variety of methods, including erosion and deposition. In the lessons of this chapter, our instructor shares her knowledge of how important landforms are created. You'll look at the formation of stream valleys, shorelines and rivers. Lessons also explore how natural events like volcanoes and earthquakes can alter natural habitats. When you finish this chapter, you'll have an understanding of:

  • The ways topography is reshaped
  • Effects of erosion and deposition
  • Formation of stream valleys and rivers
  • Dynamic characteristics of shorelines and beaches
  • Ways that natural events and disasters can change habitats

Video Objective
What Is Topography and How Is Topography Reshaped? Explore how topography is reshaped by the weathering of rock and soil as well as the transportation and deposition of sediment.
Effect of Erosion and Deposition on Landforms Examine the effect of erosion and deposition on landforms.
How a Landform Diagram Describes the Geological Progression of a Landscape Correctly interpret a landform diagram's depiction of the geological progression of a landscape.
The Formation of Stream Valleys Analyze how processes like erosion and deposition can form stream valleys.
Characteristics of Shorelines and Beaches Outline the main geological characteristics of shorelines and beaches.
Beaches as Dynamic Systems Explain the dynamic processes at work on a beach, in which sand is supplied by rivers and moved along the coast by the action of waves.
How Rivers and Streams Affect the Earth's Surface Understand how rivers and streams are dynamic systems that erode, transport sediment, change course and flood their banks in natural and recurring patterns.
How Natural Events Change Habitats Look at how natural events like earthquakes, volcanoes, landslides and floods can change human and wildlife habitats.

7 Lessons in Chapter 6: Shaping the Earth's Surface
Test your knowledge with a 30-question chapter practice test
What Is Topography and How Is Topography Reshaped?

1. What Is Topography and How Is Topography Reshaped?

The topography, or surface of the Earth, is constantly changing shape due to many powerful forces. In this lesson, we will learn about some of the amazing changes that occur on Earth due to the processes of weathering, erosion, and deposition.

Effect of Erosion and Deposition on Landforms

2. 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.

How a Landform Diagram Describes the Geological Progression of a Landscape

3. How a Landform Diagram Describes the Geological Progression of a Landscape

This lesson describes what a landform diagram is. We'll also discuss some basic laws of geology that can help scientists deduce both the order of events that create a landform and the geologic events that occur after a landform's formation.

The Formation of Stream Valleys

4. The Formation of Stream Valleys

Running water is very powerful and has the ability to change the land around it. In this lesson, we will explore the creation of stream valleys and how they are shaped by the water that runs through them.

Beaches as Dynamic Systems

5. Beaches as Dynamic Systems

Did you know that lava can create sand or that beaches change with the seasons? In this lesson, we will explore how beaches are formed and why they are constantly changing, due to the action of waves and the movement of sediment supplied by rivers and streams.

How Rivers and Streams Affect the Earth's Surface

6. How Rivers and Streams Affect the Earth's Surface

Rivers and streams are powerful, ever-changing systems that can alter the surface of the Earth. While they share many similar features, they can be vastly different. In this lesson, we will learn how rivers and streams form, transport sediment, and flood.

How Natural Events Change Habitats

7. How Natural Events Change Habitats

Natural events, like earthquakes, volcanic eruptions, landslides and floods, can be very powerful and destructive. In this lesson, we will see firsthand how they can change human and wildlife habitats in both damaging and helpful ways.

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.
Not Taken

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