1. 8 th Grade Plate Tectonics Test Review

2. Of the three plate boundaries, which is the only one in which the plates move parallel to each other? A. Transform B. Convergent C. Divergent

3. Using the map below, which plates are moving closer to each other?

4. Plate tectonics explains which of the following? A. Continental Drift B. Mountain Locations C. Volcanoes D. All of the above

5. Which of the following best describes the picture below? See page A. Thrust or Reverse fault, compression deformation, and convergent boundary B. Compression fault, reverse deformation, and convergent boundary

6. Which number best represents how the landmasses have changed over the years? A.1 (Pangea), 2 continents, 4 continents, and 7 continents today. B.1 (Pangea), 3 continents, 1 landmass, and 6 continents today.

7. What type of fault has occurred in the picture below and what cause it? A. Normal fault caused by mountain building. B. Reverse fault caused by an earthquake.

8. What happens to pressure as you increase your distance into the layers of the Earth? A.Increases B.Decreases C.No change in pressure

9. What process is happening at Point2? A. Convergent Boundary B. Divergent Boundary

10. How does temperature change as you go to the center of the Earth? A.Increases B.Decreases C.Increases then decreases

11. At point 3 is an ocean trench, what is another term used to describe this area near a boundary? A. Rift valley B. Subduction Zone

12. Which of the following describes the picture below best? A. Normal fault, tension deformation, divergent boundary B. Tension fault, divergent deformation, normal boundary

13. Which of the following best describes the picture below? A. Shearing fault, transform deformation, and strike slip boundary B. Strike slip fault, shearing deformation, and transform boundary

14. The law of Superposition states that the object G occurred... A. Before E and after D. B. Before D and after C.

15. Which of the rock layers is the youngest? A. Layer A B. Layer F

16. If a subduction zone (Point C) occurs in the middle of the ocean, what could possibly occur? A. Volcanoes B. Islands C. Both

17. What causes earthquakes? A. Convection currents changing direction. B. Release of energy along a fault or boundary line.

18. Which natural disasters are more predictable today due to modern technology? A. Volcanoes, hurricanes, earthquakes B. Tornadoes, volcanoes, hurricanes

19. In the diagram, the letter b represents a mid-ocean ridge. What is the land counterpart of this called? A. Continental ridge B. Rift Valley

20. In the diagram, what occurs at a continental- oceanic plate convergence? A. A volcano B. A subduction zone C. Both A and B

21. What occurs at a continental-continental plate collision? A. Earthquakes B. Mountains

22. Which of the following is the strongest signal for a station close to the earthquake? A. A B. B C. C

23. Tectonic plates are defined as... A. Only continental solid rock resting on the asthenosphere. B. Continental and Oceanic crusts all the way to the asthenosphere.

24. What is represented by point A? A. Magma B. Lava

25. What is occurring at Point B? A. Sea floor spreading. B. A divergent boundary. C. Both A and B

26. What is occurring at Point D? A. New material is rising from the mantle. B. The oceanic crust is melting.

27. Which point is nearest the oldest layer of the ocean floor? The youngest? A. Point B, Point C B. Point C, Point B

28. If I were to dig through the soil layers below, what would I not find? A. Animal and plant fossils B. Evidence of single-celled worms

29. An archeologist digging in layer C would find of the following? A. Reptiles, fish, and trilobites B. Birds, reptiles, and dinosaurs

30. If an archeologist found evidence of birds, dinosaurs, and reptiles, what is she likely to find if she digs deeper? A. Whales B. Fish