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sciencevocab101
this is vocab for science class of mrs hacker
| Question | Answer |
|---|---|
| the thin and solid outermost layer of the mantle | crust |
| the layer of rock between the earths crust and core | mantle |
| the central part of the earth below the mantle | core |
| the solid outer layer of the earth that consists of the crust and the rigid upper part of the mantle | lithosphere |
| the spft layer of the mantle on which the tectonic plates move | asthenosphere |
| the strong lower part of the mantle between the asthenosphere and the outer core | mesosphere |
| a block of lithosphere that consists of the crust and the rigid outermost part of the mantle | tectonic plates |
| the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations | continental drift |
| process by which new oceanic lithosphere forms as magma rises towards the surface and solidifies | sea-floor spreading |
| the threory that explains how large pieces of the earths outermost layer, called tectonic plates, move and change shape | plate tectonics |
| the short term state of the atmosphere including temp., humidity, precip., wind, visisbility | weather |
| amount of water vapor in the air | humidity |
| ratio of the amount of water in the air to the maximum amount of water vapor the air can hold at a set temp. | relative humidity |
| the change of state from gas to liquid | condensation |
| collection of ice crystals or small water droplets suspended in the air | cloud |
| any form of water that falls to earth's surface from clouds | precipitation |
| a large body of air where temp. and moisture content are constant throughout | air mass |
| the boundary between air masses of dif. densities and usually dif. temps | front |