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the dynamic earth511
chapter 3 vocabulary
Term | Definition |
---|---|
geosphere | the solid part of the earth that consists of all rock, as well as the soils and loose rocks on earth's surface |
crust | earths thin outer layer |
mantle | the layer beneath the crust |
core | the earth's innermost layer |
lithosphere | earths outer layer |
asthenosphere | is the layer beneath the lithosphere |
tectonic plates | is divided into pieces |
erosion | the removal and transport of surface material is |
atmosphere | a mixture of gases that surround earth |
troposphere | the atmospheric layer nearest earth's surface |
stratosphere | the area above the troposphere |
ozone | a molecule made up of three oxygen atoms |
radiation | is the transfer of energy across space and in the atmosphere |
conduction | is the flow of heat from a warmer object to a colder object when in physical contact |
convection | is the transfer of heat by air currents |
greenhouse effect | the process in which gases trap heat near the earth |
water cycle | the continuous movement of water into the air,onto land and the back to water sources |
evaporation | is when liquid water is heated and rises to the atmosphere |
condensation | water vapor forms water droplets on dust particles |
precipitation | larger droplets fall from cumulonimbus clouds as rain |
salinity | ocean water is the concentration of all dissolved salts it contains |
fresh water | no salt in water |
biosphere | the uppermost part of the geosphere |