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chapter 3 vocab

vocabulary

TermDefinition
geosphere the solid part of tthe earth that consists of all well as the soils and loose rocks on earth surface
crust is composed almost entirely of light elements.
mantle is the layer beneath the crust make up 64 percent of mass of the erth
core earths innermost layer
lithosphere is a cool rigid laye 15 km to thick that includes the crust and uppermost part of the mantle
asthenosphere is the layer beneath the lithosphere.
tectonic plates earth is divided into pieces
erosion the removal and transport of surface material
atmosphere earth is surrounded by a mixture of gasses
troposhere extends to about 18 kmabove earth surface.
stratosphere extends from about 18km to an altitude of about 50km
ozone is a o3 is a molecule made up of three oxygen atoms.
radiation is the transfer of energy acrossspace and in the atmosphere
conduction is the flow of heat from a warmer object to a colder object when the objects are placed in direct physical contact
convection is the transfer of heat by air currents.
greenhouse effect gasses trap heat near earth
water cycle the continuous movement of water into the air onto land and then back to wate source
evaporation is the process by which liquid water is heated by the sun and then rises into the atmosphere as water vapor
condensation water vapor forms water droplets.
precipitation larger droplets fall from clouds as rain in in process
salinity of ocean water is the concentration of all the dissolved salts it contains.
fresh water a little more than 3 percent of all the water on earth
biosphere is the narrow layer around earths surface in which life can exist
Created by: tyrongoodwin
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