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Grade 9 Geography
Grade 9 Geography; Interactions in the Physical Environment
| Question | Answer |
|---|---|
| Who created the continental drift theory? | Alfred Wegener |
| What is the continental drift theory about? | Wegener believed that at one time all of the continents were one super continent named Pangea. |
| What were 3 of the 4 pieces of evidence Wegener had to support his theory? | 1- Parts of continents appear to have once been connected 2- Plants and fossils were discovered on different parts of continents 3- Mountains very close in age; created at the same time 4- Ice sheets were discovered in hot climates |
| Why are volcanoes, mountains and earthquakes created on the plate boundaries? | Plate boundaries are where the tectonic plates push and pull against each other; the pushing of the plates create mountains, volcanoes and earthquakes |
| What famous Canadian mountains were created because of tectonic plates? | The Appalachian Mountains |
| How many large tectonic plates are there? | 8 (Eurasian, Indian, Pacific, North American, South American, African, Nazca and Antarctic) |
| What are the parts of the earth? | Inner core, outer core, mantle, astenosphere, crust, hydrosphere |
| What are the 3 "spheres" of our earth? | Hydrosphere, Astenosphere, Lithosphere |
| Name all 7 landform regions of Canada | Innuitian Mountains, Arctic Lowlands, Western Cordillera, Interior Plains, Canadian Shield, St. Lawerence |
Created by:
mira_gillis