Unit 3 Quiz #1 Review Geological History and Landforms Geological History 1) How old is the Earth? 2) Who came up with the theory of continental drift? 3) What four ideas did he offer as evidence and explain them? 4) What is the theory of continental drift? 5) What are the 4 eras and what are the major geological 6) What are the 4 layers of the earth? How thick and what are they made of? 7) The rock cycle, know it and understand it. Tectonics 8) What is the difference between weathering and erosion? 9) What are the 4 tectonic (building up) forces? Understand them. Canada’s Landforms 10) Know Canada’s 7 landform regions. Know their rock types and common human activities. 11) Know the map of Canada’s landform regions. Have a very good idea of where each landform region begins and ends.