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Plate Motion Test
| Question | Answer |
|---|---|
| How are volcanoes formed? | at divergent plate boundaries |
| The mantle of the Earth ___________. | is the largest layer of the Earth |
| __________ is the molten material underground. | magma |
| Earthquakes occur when __________. | sudden break or shift in plates |
| Plates move apart at ___________ boundaries. | divergent plate boundaries |
| Is land created, destroyed, or neither when plates diverge? | created |
| __________ is the name of the supercontinent. | Pangea |
| Transform boundaries create _______________. | fault lines and rift valleys |
| Molten rock | magma |
| Name the man who first came up with the Continental Drift Theory. | Alfred Wegner |
| Is land created, destroyed, or neither when plates converge? | destroyed |
| The crust is a thin layer of solid ________ that’s all around the Earth. | rock |
| True or False: Plates collide together at the divergent boundaries? | false |
| The continental crust is composed of ___________. | rocks |
| The boundary between two plates moving together is called ________. | convergent boundary |
| A ______ is just like a volcano, except it erupts with boiling water and steam. | geyser |
| True or False: The hypothesis that continents have slowly moved to their current locations is called the Continental Drift Theory. | true |
| Continental Drift Theory states that continents have moved _______ to their current location. | slowly |
| The Earth’s core is around _________ degrees Celsius. | 1,500 |
| When tectonic plates come together we get __________. | mountains |
| What keeps all the mantel inside the Earth? | crust |
| Shifting tectonic plates cause what? | earthquakes |
| What is an underwater mountain? | seamounts |
| The presence of the same _________ and _________ on several continents supports the hypothesis of continental drift. | fossil and rocks |
| What is the name of the large mountain spine in the Atlantic Ocean? | Mid-Adlantic Ridge |
| Divergent plate boundaries result in the formation of ________. | rift valleys, volcanic islands, and mid-oceanic ridges |
| Explain what is created when an oceanic plate collides with a continental plate? | deep ocean trenches |