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Students will learn:
- The theory of continental drift
- Evidence of continental drift
- The definition for plate tectonics
- Reasons for plate movements
- Different types of plate boundaries
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1. 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.
2. 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.
3. 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.
4. 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.
5. 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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Other chapters within the ScienceFusion The Dynamic Earth: Online Textbook Help course
- ScienceFusion The Dynamic Earth Unit 1.1: Earth's Spheres
- ScienceFusion The Dynamic Earth Unit 1.2: Weathering
- ScienceFusion The Dynamic Earth Unit 1.3: Erosion & Deposition by Water
- ScienceFusion The Dynamic Earth Unit 1.4: Erosion & Deposition by Wind, Ice & Gravity
- ScienceFusion The Dynamic Earth Unit 1.5: Soil Formation
- ScienceFusion The Dynamic Earth Unit 2.1: Geologic Change Over Time
- ScienceFusion The Dynamic Earth Unit 2.2: Relative Dating
- ScienceFusion The Dynamic Earth Unit 2.3: Absolute Dating
- ScienceFusion The Dynamic Earth Unit 2.4: The Geologic Time Scale
- ScienceFusion The Dynamic Earth Unit 3.1: Minerals
- ScienceFusion The Dynamic Earth Unit 3.2: The Rock Cycle
- ScienceFusion The Dynamic Earth Unit 3.3: Three Classes of Rock
- ScienceFusion The Dynamic Earth Unit 4.1: Earth's Layers
- ScienceFusion The Dynamic Earth Unit 4.3: Mountain Building
- ScienceFusion The Dynamic Earth Unit 4.4: Volcanoes
- ScienceFusion The Dynamic Earth Unit 4.5: Earthquakes
- ScienceFusion The Dynamic Earth Unit 4.6: Measuring Earthquake Waves