Comparative Analysis

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ACP Geology Test #3a Review Sheet: Earthquakes, Mountain Building and Relative Dating Basic Structure of the Earth (Chapter 1) 1. Draw the Earth, including all of the layers from the lithosphere, inward to the core. Make sure to know which layer is a liquid, and why it is a liquid. 2. Identify the main elements in the atmosphere. Plate Tectonics (Chapter 2) 3. Alfred Wegener proposed continental drift in the early 1900s. Provide several (4+) pieces of evidence that he used to state that the continents used to be connected. 4. Polar wandering curves helped to prove Alfred Wegener correct. Explain what a polar wandering curve is, and how paleomagnetic rocks play a role. 5. Describe what a magnetic anomaly is on the ocean floor. Be sure to understand what positive and negative anomalies are. 6. Harry Hess proposed the idea of seafloor spreading in the mid-20th century. Explain what seafloor spreading is. Identify some evidence that he had to prove this theory. 7. Describe the 3 different types of plate boundary, making sure to understand what happens at each one. For convergent boundaries, include in your description the concepts of trenches and subduction. 8. What is the fate of southwestern California? Describe the plate motion here. Earthquakes (Chapter 8) 1. Describe the 4 types of seismic waves. Make sure to understand the motion they make in the rock. 2. Be sure to understand how to locate an earthquake epicenter. If you do not remember how, look at your earthquake lab or pages 210-211 in your textbook. 3. What is elastic rebound theory, and how does it relate to earthquakes? 4. Give two examples of data that scientists use for long-term earthquake prediction, and two examples of data that scientists use for short-term earthquake prediction. 5. Give a description of a

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