Plate Tectonics Test _________________Name Part I: Vocabulary—Match the word with the correct definition by placing the letter of the word in the blank next to the definition. (4 points each) plates crust Pangaea ring of fire mantle trench volcano fault aftershocks core erosion hotspots 1_______________ long, narrow depression in the sea floor 2_______________ minor tremors 3_______________ opening in the volcano 4_______________ approximately 15 large masses of rock 5_______________ long area of frequent plate activity 6_______________ innermost part of the earth 7_______________ outermost layer of the earth 8_______________ weathering due to wind, water, sand movement 9_______________ theory of large super continent 10_______________ middle layer of earth 11_______________ opening in earth’s crust 12_______________ boundaries between plates Part II: Cause & Effect—In the box below make a sketch of an effect with appropriate labels and/or phrases to clarify the action-taking place. (10 points each) On the lines below explain in your own words how and where the above effect is caused. Circle all vocabulary words that you use. (10 points each) _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ Part III: Short Answer—Answer the following questions with a word, phrase, or sentence. Make sure that you answer the question completely. (4 points each) 13. Earthquakes and volcanoes occur all over the world. However, most of them occur along_____________________. 14. Explain how scientists measure earthquakes. ___________________ __________________________________________________________ 15. Some volcanic islands, like Hawaii, form in the middle of plates. Why? _______________________________________________________ _______________________________________________________ _______________________________________________________ 16. Wegener’s idea of continental drift helps explain why fossils of the same organisms are found on different continents. What is continental drift? ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 17. Name the 3 major layers of the earth and describe each one. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 18. How do people know what happened in the ancient city of Pompeii during the first century A.D.? ___________________________________________________________ ___________________________________________________________ 19. Describe what happens when a volcano erupts. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 20. Describe what happens during an earthquake. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 21. Write your own question that you would like to explain and answer it._________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________