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Ch 11: Praxis Earth & Space Sciences: Plate Tectonics

About This Chapter

Let us teach you about the theories and causes of plate tectonic movement. The chapter's video lessons and self-assessment quizzes give you valuable study resources that can help you properly answer these types of questions on the Praxis Earth and Space Sciences test.

Praxis Earth and Space Sciences: Plate Tectonics - Chapter Summary

Use these chapter's lessons to enhance your understanding of the theory of plate tectonics, the causes of tectonic plate movement and more. Completing these lessons as you review for the Praxis Earth and Space Sciences exam will assist you in being able to:

  • Identify types of plate boundaries, such as convergent, divergent and transform
  • Explain Alfred Wegener's theory of continental drift
  • Discuss the evidence that supports the theory of continental drift

Instructors go over these topics in short, interactive video lessons. Lesson summaries and explanations of key terms can help guide your studies so you're ready for the Praxis exam.

6 Lessons in Chapter 11: Praxis Earth & Space Sciences: Plate Tectonics
Test your knowledge with a 30-question chapter practice test
Plate Tectonics: A Unified Theory for Change of the Earth's Surface

1. 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.

Causes of Tectonic Plate Movement

2. 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.

Plate Boundaries: Convergent, Divergent, and Transform Boundaries

3. 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.

Paleomagnetism and Hot Spots: Evidence for Plate Tectonics

4. Paleomagnetism and Hot Spots: Evidence for Plate Tectonics

Paleomagnetism is the study of past magnetic fields. Hot spots are fixed pockets of heat that well up to form volcanic features. Learn how paleomagnetism and the study of hot spots provide evidence that supports the theory of plate tectonics.

Alfred Wegener's Theory of Continental Drift

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.

Evidence for the Mechanism of Continental Drift

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.

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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