Science
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32 questions
| 🇬🇧 | 🇬🇧 |
| Oretelius | Noticed the similarity in the coastline of some continents |
| Alfred wegener | Proposed the CDT |
| Pangea | Supercontinent |
| "all earth" | Meaning of pangea |
| Cracks | Tectonic plates |
| Oceanic crust | More dense, more basalt |
| Continental crust | Less dense, mostly granite |
| He couldn't explain why the continents are moving | Why did the CDT get rejected |
| Proposed an explanation to CDT by using SFS | Harry hess and robert dietz |
| Continent | Which rocks are older, one in the seafloor or one on the continents? |
| 500 years | The earth changes polarity every _____ |
| Greek for carpenter | Tekton |
| Circulation of heat in the mantle | Convection current |
| Convergent boundary | Destructive tectonic movement |
| Convergent boundary | Mountains, volcanoes, trenches, and earthquakes |
| Moving away from each other | Divergent |
| Divergent boundary | Mountains, volcanoes, trenches and earthquakes |
| Transform boundary | Doesn't destroy or create anything |
| To flow | Rheo |
| Asthenosphere, lithosphere, physical charcteristics and how they respond to stress | Mechanical definition of the earth's structure |
| Crust, mantle, core | Chemical definition of the earth's structure |
| Lithosphere | Crust and uppermost part of the mantle |
| Mantle | Thickest layer in the earth |
| Inner core | Solid Fe and Ni |
| Outer core | Molten Fe and Ni |
| Ability of a solid to flow | Plasticity |
| Asthenosphere | Responsible for plate movement |
| Lower mantle | Mesosphere |
| 4.5 Billion years old | How old is the earth? |