About This Chapter
How it works:
- Identify which concepts are covered on your topography homework.
- Find videos on those topics within this chapter.
- Watch fun videos, pausing and reviewing as needed.
- Complete sample problems and get instant feedback.
- Finish your topography homework with ease!
Topics from your homework you'll be able to complete:
- Erosion and deposition
- Landform diagrams
- Beach formation
- River and stream systems
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.
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.
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.
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.
5. Characteristics of Shorelines & Beaches
Shorelines and beaches are constantly changing due to forces, such as waves, winds and currents. Learn about characteristics of shorelines, including headlands, bays, beach berms, sand dunes, spits, tombolos, barrier islands and lagoons.
6. 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.
7. 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.
8. 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.
9. Tributary: Definition, Systems & Examples
A river is rarely as simple as it looks! Most rivers are tributaries and belong to tributary systems. In this lesson, you'll learn about these important natural systems and take a quiz to check your understanding.
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Other chapters within the Middle School Earth Science: Homework Help Resource course
- Earth's Spheres & Structure: Homework Help Resource
- Understanding Plate Tectonics: Homework Help
- Understanding Earthquakes: Homework Help
- Understanding Volcanoes: Homework Help
- Rock Deformation & Mountain Building: Homework Help
- Thermal Energy: Homework Help
- Energy in the Earth System: Homework Help Resource
- Ecology & Ecosystems: Homework Help
- Earth's Energy Resources: Homework Help
- Earth's Material Resources: Homework Help
- Earth Science Investigation & Experimentation: Homework Help Resource