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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 |