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Lessons 1-3
| Term | Definition |
|---|---|
| System | a group of parts that work together as a whole |
| Energy | the ability to do work or cause change |
| Atmosphere | a relatively thin layer of gases that form earth's outermost layer |
| Geosphere | the densest part of Earth that include the crust, mantle, and core |
| Biosphere | the parts of the Earth that contain living organisms |
| Hydrosphere | the portion of Earth that consists of water in any of its forms, including oceans, glaciers, rivers, lakes, groundwater, and water vapor |
| Constructive Force | any natural process that builds Earth's surface |
| Destructive Force | any natural process that tears down or wears away earth's surface |
| Seismic Wave | vibrations that travel through earth carrying the energy released during an earthquake |
| Pressure | the force pushing on a surface divided by the area of that surface |
| Crust | the layer of rock that forms earth's outer surface |
| Basalt | a dark, dense igneous rock with a fine texture, found in the oceanic crust |
| Granite | a usually light colored igneous rock that I'd found in continental crust |
| Mantle | the layer of hot, solid material found between earth's crust and core |
| Lithosphere | a rigid layer made up of the uppermost part of the mantle and the crust |
| Asthenosphere | the soft layer of the mantle on which the lithosphere floats |
| Outer Core | a layer of molten iron and nickel that surrounds the inner core of the earth |
| Inner Core | a dense sphere of solid iron and nickel at the center of the earth |
| Radiation | the transfer of energy by electromagnetic waves |
| Convection | the transfer of thermal energy by the movement of a liquid |
| Conduction | the transfer of thermal energy from one particle of matter to another, or a method of charging an object by allowing electrons to flow from one object to another through direct contact |
| Density | the ratio of the mass of a substance to its volume |
| Convection Current | the movement of a fluid, caused by differences in temperature, that transfers heat from one part of the fluid to another |