click below
click below
Normal Size Small Size show me how
Geology Quiz 2 (26)
Earth's continents and plate boundaries
| Question | Answer |
|---|---|
| Who was Alfred Wegener? | Scientist (meteorologist) who found evidence that the continents were once 1 super continent. |
| What was the super continent called? | Pangea |
| Wegener's Theory was called what? | The Theory of Continental Drift |
| What was Wegener's evidence that Pangea existed? | 1. Continents fit together like puzzle pieces 2. fossils 3. Mountains 4. Past Climate Data(glaciers) |
| Did Wegner prove Pangea existed? | No, he died before he could discover and explain plate tectonics. |
| In the theory of plate tectonics scientists believe that the continents move and shift because of what? | Convection currents |
| The movement of the earth causes plates to move on what layer of the earth? | crust or lithosphere |
| What boundary collides together and contains three types. | Convergent boundary |
| What type of boundary do plates slide past one another. An example is the San Andreas fault. | Transform boundary |
| What type of boundary do plates separate and move away from one another? The Mid-Atlantic Ridge is an example. | divergent boundary |
| Which earthquake waves move fast through all earth materials? | P waves or primary waves |
| Which earthquake waves move slower and do not move through the liquid portions of the earth? | S waves or secondary waves |
| which earthquake waves cause the most destruction to the earth's surface? | Surface waves |