Name Class Date. 1. What is the outermost layer of the Earth called?. a. core b. lithosphere c. asthenosphere d. mesosphere

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1 Name Class Date Assessment Geology Plate Tectonics MULTIPLE CHOICE Write the letter of the correct answer in the space provided. 1. What is the outermost layer of the Earth called?. a. core b. lithosphere c. asthenosphere d. mesosphere 2. What is the liquid layer of the Earth s core called? a. lithosphere b. mesosphere c. inner core d. outer core 3. In a reverse fault, where does the hanging wall move relative to the footwall? a. upward b. downward c. horizontally d. stays the same 4. In a normal fault, where does the hanging wall move relative to the footwall? a. upward b. downward c. horizontally d. stays the same 5. What is the area where two tectonic plates meet called? a. collision b. a mid-ocean ridge c. a boundary d. a rift zone 6. What type of boundary is formed when plates collide? Holt Science and Technology 51 Plate Tectonics

2 Name Class Date Chapter Test A continued 7. What type of boundary is formed when plates separate? 8. What type of boundary is formed when plates slide past each other? 9. According to the continental drift theory, a single, huge continent once existed called a. Pangaea b. Wegener. c. Panthalassa. d. Eurasia. 10. Where does sea-floor spreading take place? boundaries b. transform boundaries c. oceanic volcanoes d. mid-ocean ridges 11. Rock begins to melt when a. both pressure and temperature decrease. b. both pressure and temperature increase. c. temperature increases and pressure decreases. d. temperature decreases and pressure increases. 12. Which of these describes a possible climate change caused by a volcanic eruption? a. Temperatures rise because of the heat coming from lava. b. Scorched land creates drought conditions. c. Ash blocks sunlight, causing temperatures to drop. d. Volcanic eruptions rarely affect climate. 13. Which type of seismic wave can travel through solids, liquids, and gases? a. Transform wave b. S wave c. P wave d. Electromagnetic wave Holt Science and Technology 52 Plate Tectonics

3 Name Class Date 14. Colliding continental plates occur at which type of boundary? a. Convergent c. Divergent b. Transform d. Strike-skip 15. A break in a body of rock along which one slides relative to the other is called a a. boundary c. hanging foot b. subduction d. fault 15. What is the bending of the Earth s crust in a spring-like manner called? a. elastic deformation c. seismic information b. geologic reformation d. earthy-springy 16. What is the sudden return of elastically deformed rock to its original shape caused? a. slip-strike c. convergence b. elastic rebound d. divergence 17. The Ring of Fire refers to a. massive volcanoes in the Precambrian era b. the plate boundaries surrounding the Pacific Ocean that have many volcanoes c. liquid rock produced under the Earth s surface from which igneous rocks are created d. magma that is blasted into the air which hardens Illustrate and explain what a subduction zone is in the space provided (3 points). 18. A subduction zone is (explain in words) Illustration of a subduction zone Holt Science and Technology 53 Plate Tectonics

4 Name Class Date Plate Tectonics USING KEY TERMS Use the terms from the following list to complete the sentences below. Each term may be used only once. Some terms may not be used. inner core outer core mesosphere asthenosphere continental drift plate tectonics sea-floor spreading uplift subsidence 19. The lithosphere floats on a layer of the Earth s mantle called the 20. The mantle mainly consists of a dense layer called the 21. The liquid layer at the Earth s center is known as the 22. The theory describing the movement of the Earth s continents is known as 23. The process whereby rock layers are raised to higher elevations is 24. The process that takes place at mid-ocean ridges is called Earthquakes Use the terms from the following list to complete the sentences below. Each term may be used only once. Some terms may not be used. seismograph elastic rebound epicenter seismic waves seismogram seismic gaps P waves focus deformation 25. The instrument used to record earthquakes is a(n). 26. The point at which an earthquake begins, called the is located along a fault; the epicenter is found directly above this point on the surface of the Earth. 27. Sections along an active fault may have where there is little earthquake activity. 28. There are two types of in which rock changes shape because of stress. 29. Body waves are that travel through Earth. Holt Science and Technology 52 Plate Tectonics

5 Name Class Date Illustrate and explain what a continental drift is in the space provided (3 points). 30. Continental drift is (explain in words) Illustration of continental drift Illustrate and explain how scientists detect and record seismic activity (10 points). In your explanation, use the following terms: Richter scale, seismograph, seismic waves, epicenter 31. Detecting earthquakes can be done ) Illustration of sensing, measuring, or recording seismic activity (continue on back if necessary) Holt Science and Technology 53 Plate Tectonics

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