click below
click below
Normal Size Small Size show me how
Earth Science
Vocabulary
| Term | Definition |
|---|---|
| inner core | a ball of hot, solid metals |
| outer core | a layer of liquid metals that surrounds the inner core |
| mantle | Earth's thickest layer |
| crust | a thin layer of cool rock |
| lithosphere | Earth's crust and the top of the mantle |
| continental drift | the theory that Earth's continents move on Earth's surface |
| Pangaea | a supposed supercontinent that includes all of the landmasses on Earth |
| mid-ocean ridges | underwater mountain ranges |
| convection | Energy transfer by the movement of a material |
| convection current | a motion that transfers heat energy in material |
| Theory of Plate Tectonics | Earth's lithosphere is made up of huge plates that move over the surface of the Earth |