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Sci 7 – Earth’s Crust 9.3 Earthquakes Earthquakes Directions: READ pages 246-251 in your text book BC Science Probe 7 and answer the following questions; 1. Use your textbook, the internet or a dictionary to provide definitions for the following terms; (1 mk each) Earthquakes Seismic Waves Tsunamis Aftershocks 2. On a separate piece of paper, answer the following questions using COMPLETE SENTENCES; a. In your own words, describe how earthquakes are caused and list all three types of plate boundaries in which these earthquakes occur. (2 mks for quality of response and inclusion of details) b. In your own words, describe what geologists call the exact location within the Earth at which the earthquake starts and the point on the surface above that location. What is the difference between seismic waves and aftershocks?(2 mks for quality of response and inclusion of details) c. What are the two types of seismic waves? Describe each one in detail. (2 mks for quality of response and inclusion of details) 3. Using the information provided in your readings, colour and identify the following three diagrams as earthquakes that occur at either; Divergent Boundaries, Convergent Boundaries or Earthquakes that occur at Transform Fault Boundaries You will be marked out of 5 for your ability to complete the diagrams, with all relevant information in a neat and colorful fashion, as well as be able to identify each of the following diagrams as either; Earthquakes at Divergent Boundaries, Earthquakes at Convergent Boundaries or Earthquakes at Transform Fault Boundaries Total: ____ 15 Type of Boundary that Earthquakes Occur Diagram – Colour and label with all necessary information.