Ch 45: Praxis Biology & General Science: Earth and Space: Plate Tectonics

About This Chapter

Study plate tectonics, Pangaea, the Earth's lithosphere, and more as you prepare for the Praxis Biology and General Science exam. Make studying easier - watch the video lessons and take the self-assessment quizzes included in this chapter.

Praxis Biology & General Science: Earth and Space Science: Plate Tectonics - Chapter Summary

With these lessons, you can review Earth and space science topics covered by the Praxis exam, including plate tectonics. Video instructors help you understand all the theories, names (such as Alfred Wegener), important principles, and scientific terminology to make each lesson easy to remember and apply. Lessons in this chapter include:

  • What Is Pangaea? - Theory, Definition & Quiz
  • Plate Tectonics: A Unified Theory for Change of the Earth's Surface
  • Alfred Wegener's Theory of Continental Drift
  • Evidence for the Mechanism of Continental Drift
  • Major Plates of the Lithosphere: Earth's Tectonic Plates
  • Causes of Tectonic Plate Movement
  • Plate Boundaries: Convergent, Divergent, and Transform Boundaries

Be sure to check out the self-assessment quizzes that are included with each video. Between the videos, quizzes, and links to in-depth text lessons on related key terms, you'll be prepared for your exam date.

Praxis Biology & General Science: Objectives

The Praxis Biology & General Science exam is used to determine your readiness to be licensed as a science or biology teacher. The exact requirements for teacher licensing, including the minimum score you'll need to be eligible, vary by state. The test looks at your ability to:

  • Interpret scientific data collected in the field and observed in the laboratory
  • Apply scientific principles and theories to common scenarios
  • Understand the connections between science, technology, and applications in society

The Biology & General Science test consists of 120 multiple-choice questions. Earth and space science accounts for about ten percent of the exam - about 12 questions. The test takes about two hours to complete.

7 Lessons in Chapter 45: Praxis Biology & General Science: Earth and Space: Plate Tectonics
Test your knowledge with a 30-question chapter practice test
What is Pangaea? - Theory & Definition

1. What is Pangaea? - Theory & Definition

The continents you know have existed for a long time, but not in their current locations. In fact, over 200 million years ago Pangaea broke apart by plate tectonic movement to form the continents we see today.

Plate Tectonics: A Unified Theory for Change of the Earth's Surface

2. 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.

Alfred Wegener's Theory of Continental Drift

3. 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

4. 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.

Major Plates of the Lithosphere: Earth's Tectonic Plates

5. Major Plates of the Lithosphere: Earth's Tectonic Plates

The outer shell of the earth, the lithosphere, is broken up into tectonic plates. The seven major plates are the African plate, Antarctic plate, Eurasian plate, Indo-Australian plate, North American plate, Pacific plate and South American plate.

Causes of Tectonic Plate Movement

6. 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

7. 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.

Chapter Practice 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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