8th Grade Science 2nd Quarter: Weekly Review #4 1. 2. 3. 4. A possible result of plates moving along a transform boundary is a. oceans. c. earthquakes. b. convection. d. sea-floor spreading. What is the liquid layer of the Earth’s core called? a. lithosphere c. inner core b. mesosphere d. outer core Where does sea-floor spreading take place? a. convergent boundaries c. b. transform boundaries d. mid-ocean ridges b. Shield b. Cinder cone d. Cinder Cone c. Lahar d. Pyroclastic flow Which scale would be used to determine the amount of damage done by an earthquake? a. Mercalli scale 7. c. Caldera Which term describes a fast-moving avalanche of hot gas, ash, and rock that erupts from an explosive volcano? a. Ash fall 6. oceanic volcanoes A __________ volcano, like the ones in Hawaii, is characterized by gentle slopes with quiet eruptions. a. Composite 5. Name:______________________________ b. Saffir-Simpson scale c. Richter scale d. Torino scale Some processes that shape Earth’s surface are slow. Other processes are rapid. Which statement describes a rapid change? a. Glaciers melt and form rivers. b. Wind weathers rocks into sand. c. Earthquakes move land and rocks. d. Rivers carry sediment and build deltas. Use the map to answer question 8. 8. The Hawaiian Islands are riding on the Pacific Plate as it moves northwestward. They are being formed as the plate moves over a hot spot in the mantle. Where is the next volcano likely to form? a. A b. B c. C d. D 9. Compare the difference between an earthquake’s focus and epicenter. (2 points) 10.