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Stack #4601890
| Question | Answer |
|---|---|
| continental drift | hypothesis that are in constant motion |
| mantle | middle layer of Earth situated between the crust above and the core below |
| pangaea | ancient supercontinent, composed of land that forms todays continents |
| mid-ocean ridge | mountain range located on the seafloor in the middle of the ocean |
| convection | circulation of material caused by differences in temperature and density |
| convergent plate boundary | where two plates combine |
| divergent plate boundary | where two plates seperate |
| lithosphere | cold, rigid, outermost rock layer of Earth |
| plate tectonics | theory that Earths surface is made of rock plates that move with respect to each other |
| subduction | sinking of a denser plate below a more buoyant plate at a convergent plate boundary |
| transform plate boundary | where two plates slide by eachother |