About This Chapter
Geology - Chapter Summary and Learning Objectives
Erosion and deposition affect the earth in many ways. Learn more about these processes and see diagrams of the geological progression of landscape due to them. Take a look at earthquakes and volcanoes as well. Our lessons will cover the rock cycle and Alfred Wegener's theory of continental drift. This chapter will also introduce you to plate tectonics, plate boundaries and the types of boundaries. Watching our lessons will help you to understand the many complexities that shape the earth. You'll have a better idea of the different ideas, theories and processes that can have an impact on the earth's shape and climate. Some of the things you'll learn include:
- How erosion changes the earth's surface
- How volcanoes can help us know more about the earth's inner layers
- How to create a timeline of the changes in the earth
- The stages of the rock cycle
- The theory of continental drift according to Alfred Wegener
- The causes of plate movement
|Effect of Erosion and Deposition on Landforms||Explore the effects of erosion and deposition.|
|How a Landform Diagram Describes the Geological Progression of a Landscape||Examine a diagram to create a timeline of events that changed the earth.|
|Earthquakes and Volcanoes: Evidence of Earth's Inner Layers||Discover what proof earthquakes and volcanoes how about the layers inside the earth.|
|Rock Cycle: Igneous, Sedimentary and Metamorphic Rocks||Study the cycle of matter through deposition, erosion, sedimentation and re-melting.|
|Alfred Wegener's Theory of Continental Drift||Find out more about Wegener's theory.|
|Evidence for the Mechanism of Continental Drift||Analyze evidence for continental drift.|
|Plate Tectonics: A Unified Theory for Change of the Earth's Surface||Learn more about plate tectonics.|
|Causes of Tectonic Plate Movement||Examine the causes of plate movement.|
|Plate Boundaries: Convergent, Divergent and Transform Boundaries||Explore plate boundaries.|
1. 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.
2. 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.
3. Earthquakes and Volcanoes: Evidence of Earth's Inner Layers
The interior layers of the earth are not able to be observed directly, so scientists need to rely on other information to learn about it. S waves, P waves, and magma from volcanoes and earthquakes give a glimpse at the layers of the earth by providing data that can be built into a model of the earth.
4. Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks
In this lesson, we will discuss the three main types of rocks and how they are formed. The lesson also gives an introduction into how matter locked in rocks can be cycled through the earth.
5. Alfred Wegener's Theory of Continental Drift
People used to think that Earth was static, and that it never changed. Gradually, a body of evidence was gathered that made no sense in this model. Alfred Wegener, Geologic Supersleuth, laid the groundwork for a whole new theory for the large-scale changing nature of the earth.
6. Evidence for the Mechanism of Continental Drift
As scientists began to explore the ocean floor after World War II, they discovered many new clues to help them solve a mystery that had begun decades earlier - how the continents moved about on the surface of the earth.
7. Plate Tectonics: A Unified Theory for Change of the Earth's Surface
After many years of trying to solve the mystery of the moving continents, enough data and evidence was collected to develop a unifying theory of how the surface of the earth changes. It's called plate tectonics.
8. Causes of Tectonic Plate Movement
In this lesson, we explore the causes of plate movement, including thermal convection, ridge push and slab pull. Students will learn how these processes complement each other and form a theory for tectonic plate movement.
9. Plate Boundaries: Convergent, Divergent, and Transform Boundaries
In the theory of plate tectonics, the earth's crust is broken into plates that move around relative to each other. As a result of this movement, three types of plate boundaries are formed: divergent, convergent, and transform boundaries.
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