Name _________________________ Period ________ Date ______________________ Marine Science: Plate Tectonics Video Worksheet Directions: Together we will watch a 7 min documentary on Plate Tectonics. http://www.youtube.com/watch?v=1-HwPR_4mP4 Use the information given in the video and your knowledge of marine science to answer the following questions. 1. The reason volcanoes, earthquakes, and tsunamis occur can be explained through what process? (1 point) 2. When did the idea of Plate Tectonics first begin? (1 point) 3. In 1915, what meteorologist released his theory of Continental Drift? (1 point) 4. How many different types of plate boundaries are associated with plate tectonics? (1 point) 5. What type of boundary makes up the mid-ocean ridge system? (1 point) 6. Describe plate movement at a divergent boundary. (2 points) 7. Describe plate movement at a convergent boundary. (2 points) 8. Describe plate movement at a transform boundary. (2 points) 9. What type of plate boundary creates subduction? (1 point) 10. Describe what happens when subduction occurs. (5 points) 11. Why is there volcanism in Iceland? (2 points) 12. When two plates converge and the seafloor shifts, large amounts of energy are released. What natural disaster forms as a result of this energy? (1 point)