•	Describe geographic evidence collected in the last part of the 20th century to support the theory of continental drift.
•	Why do scientists today accept the movement of continents but did not accept this theory back in Wegner's time?
•	Describe the process of the scientific method and theory development.
•	How does the scientific method help one understand the natural world?
•	What are the roles of qualitative and quantitative science?
•	Describe how plate tectonics provides the mechanism for continental drift.
•	How do plate tectonics explain the process of continental drift?
•	How do plate tectonics.