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new book lessons 1-3
| Question | Answer |
|---|---|
| system | a group of parts that work to gether as a whole |
| energy | the ability to do work ro cause change |
| atmosphere | the relatively thin layer of gases that forms earths outermost layer |
| geosphere | the densest parts of earth that include the crust mantel and core |
| hydrosphere | the portion of the earth that consists of water in any of its forms including oceans glaciers rivers lakes grownd water and water vaper |
| biosphere | the parts of earth that contain organisms |
| constructive force | any natural process that builds up earth surface |
| destructive force | any natural process that tears down or wears away earths surface |
| seismic wave | vibrations that travel through earth carrying the energy released during a earthquake |
| pressure | the force pushing on a surface divided by the area of that surface |
| crust | the layer of rock that forms earths outer surface |
| basalt | a dark dense igneous |
| granite | a usually light collored igneous rock that is found in continental crust |
| mantle | the layer of hot solid material betewins earths core and crust |
| 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 niclel that surrounds the inner core of earth |
| inner core | a dense sphere of solid iron and nickel at the sener of earth |
| radiation | the transfer of enery by electromagnetic waves |
| convection | the transfer of thermal energy by the movement of a fluid |
| conduction | the transfer of thermal energy from one particle of mater to a nother |
| density | the ratio of the mass of a substance to its volume |
| convection current | the movement of a fluid caused by differences in temperature |