Review Grade 8 Unit 05: Forces that Changed the Earth Review

1. 1. Describe/draw/define/identify the three types of plate boundaries. What type of features would you expect to see at these boundaries.
2. 2. What are convection currents and what do they have to do with plate tectonics?
3. 3. Alfred Wegener and the history of the discovery of plate tectonics.
4. 4. How did evidence from the fossil record contribute to the idea of plate tectonics?
5. 5. What is happening at the mid-oceanic rifts?
6. 6. What geologic feature would you expect to find on land near convergence of a continental and oceanic plate?
7. 7. On a topographic map, identify: upstream, spur, hilltop, saddle, ridge, valley, draw, and depression.
8. 8. On a topographic map, use contour lines to calculate the difference in elevation between two points.
9. 9. What is Pangea. What caused Pangea to break up?
10. 10. What is the Pacific Ring of fire? What causes it?
11. 11. With a contour interval of 40 ft, what is the approximate difference in elevation between the parking area (red circle) and the top of the hill (red star).
12.