dynamic earth

Term Definition
geosphere the mostly solid,rocky part of earth;extends from the center of the core to the surface of the crust.
crust the thin and solid outermost layer of the earth aboe the mantle.
mantle In earth cience,the layer of rock between the earth's crust and core.
core The central part of the earth below the mantle; also the center of the sun.
lithosphere The solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle.
astheosphere the solid,plastic layer of the mantle beneath the lithosphere
tectonic plate the rigid, outermost layer of the Earth is divided into pieces
erosion The removal and transport of surface material
atmosphere Earth is surrounded by a mixture of gases
troposphere The atmospheric layer nearest Earth’s surface
stratosphere Above the troposphere
ozone a molecule that is made up of three oxygen atom
radiation the transfer of energy across space and in the atmosphere
conduction the flow of heat from a warmer object to a colder object when the objects are placed in direct physical contact
convection the transfer of heat by air currents
greenhouse effect This process, in which gases trap heat near the Earth
water cycle The continuous movement of water into the air, onto land, and then back to water sources
evaporation the process by which liquid water is heated by the sun and then rises into the atmo- sphere as water vapor
condensation water vapor forms water droplets on dust particles
precipitation These larger droplets fall from clouds as rain in the process
salinity sea water is the total quantity of dissolved salts
fresh water a little more than 2 percent of all the water on earth
biosphere the nar- row layer around Earth's surface in which life can exist.
closed system energy enters the environment, but matter does not
open system both matter and energy are exchanged between a system and the surrounding environment

Leave a Reply

Your email address will not be published. Required fields are marked *