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Name: ________________________ Per. ______ Due: Monday, January 28, 2013 Quarter 2.5 Assessment Study Guide Chapter 5 Plate Tectonics Questions: 1. Label the diagram of earth 2. What is the core made of? _____________________________________________ 3. What is the thickest layer of earth? ________________________ 4. What is the thinnest layer of earth? ________________________ 5. What happens to pressure and temperature as you down into the earth? 6. What creates convection currents in the earth? Differences in ___________________ and _________________ 7. What do the convection currents in the mantle cause? 8. What do the convection currents in the outer core cause? 9. How did scientists know that the sea floor was spreading? What was their evidence? 10. Draw a diagram to represent what is happening at each type of boundary (HINT: USE ARROWS). Divergent 11. Convergent Transform Fill in the chart about the types of boundaries and stress Type of Type of stress Type of Fault How it moves What it creates Normal Fault Rift valley or Boundary sea floor spreading Convergent Boundary Plates slide past each other 12. What is created if there is a lot of friction on both sides of the fault and stress builds up? 13. Fill in the chart about the focus and epicenter Where it takes place Focus Epicenter What is happening Inside earth Vibrations have reached the surface 14. What is the difference between a seismograph and a seismogram? 15. What is a tsunami? Use the graph below to answer questions 13-17 16. How long does it take a S wave to travel 2,000 km? 17. How long does it take a P wave to travel 2,000 km? 18. How far does an S wave travel in thirty-six minutes? 19. How far does a P wave travel in ten minutes? 20. What is the relationship between distance to the epicenter and the travel time? Use the seismogram below to answer question 18-21 21. Which type of seismic wave produced the smallest ground movement? 22. Which type of seismic wave produced the largest ground movement? 23. What is the order that the waves arrive in? 24. Write an equation that shows how to find the difference in arrival times between the P waves and the surface waves shown in the graph? 25. Label the parts of the volcano 26. What is the major volcanic belt that goes around the Pacific Ocean? 27. Fill in the chart about the types of volcanoes made from lava Landform from Type of Eruption What is erupted Picture of the shape Lava Shield Volcano Bombs, cinders, ash Alternates between explosive and quiet eruption 28. What two factors affect the viscosity of magma (or how well it flows?) 29. What makes a volcano erupt? Use the pie chart to the right to answer question 30 30. How much of basalt is made of oxides? Use the bar graph to the right to answer questions 31-33 31. Which month(s) is it almost certain to have the most earthquakes? 32. Which month(s) is it almost impossible to have many earthquakes? 33. Which month(s) are somewhat likely to have many earthquakes? Use the diagram to the left to answer question 34 34. The diagram is a map of the movement of the Indian plate. It shows how the plate has moved over the past 70 million years. Which direction is the Indian plate moving?