| A | B |
|---|
| Core | innermost layer; solid inner core and liquid outer core; iron-rich |
| World Ocean | a concept that is used to indicate that all oceans on earth are interconnected |
| Southern Ocean | the continuous body of water that surrounds Antarctica |
| Pangaea | the single large landmass that broke up to form todays seven continents |
| Continental Drift | the movement of continental masses on the surface of the earth |
| Continental Margin | the edge of the continenent |
| Continental Rise | the gently sloping area at the base of the slope |
| Continental slope | the steeper, seaward section |
| Continental Shelf | the shallow, gently sloping section. (BEACHES) |
| Plate Tectonics | the process involved in the movement of large plates on the earths crust |
| Mid-Ocean Ridge | the continuous chain of volcanic submarine mountains that extends around the earth |
| Transform Faults | a large horizontal displacement in the mid-ocean ridge |
| Trenches | a narrow, deep depression in the sea floor |
| Sediment | lose material such as sand and mud that settles on the bottom |
| Heat Capacity | the amount of heat that must be added to a substance to raise its temperature by a given amount |
| Salinity | the total amount of salts dissolved in seawater |
| Sea-Floor Spreading | the process by which new sea floor is formed as it moved away from spreading enters in mid-ocean ridges |
| Lithosphere | the crust and the top part of the mantle that covers the earths surface |
| Asthenosphere | the layer of upper mantle that lies below the lithosphere |
| Faults | a crack in the earths crust usually formed when two pieces of crust are moving past eachother |
| Crust | the outermost layer of the earth |
