Name: Period: Chapter 10 Review 1. Who was Alfred Wegener? 2. Define continental drift. 3. What is the evidence that supports the hypothesis of continental drift? a. b. c. 4. A long, undersea mountain chain that has a steep, narrow valley at its center, that forms as magma rises from the asthenosphere is known as a _______________________________. 5. Define sea floor spreading. 6. The residual magnetism of rock is known as ___________________________________. 7. The theory that explains why and how continents move and is the study of the formation of the Earth’s crust is called _______________________________________. 8. Draw and label the layers of the earth: lithosphere, asthenosphere, mesosphere, inner core, outer core. 9. The sudden movement of tectonic plates is called _________________________________. 10. Name to things that help scientists identify he location of plate boundaries. 11. Draw the 3 types of plate boundaries: convergent, divergent and transform. 12. What features appear at the following convergent boundaries: a. continental-continental: b. continental-oceanic : c. oceanic-oceanic: 13. What causes plate motion? 14. What is ridge push? 15. What is slab pull?