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The Dynamic Earth 3
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 | Earth's thin outer layer |
| Mantle | The layer beneath the crust, makes up 64% of the mnass of the Earth. |
| Lithosphere | Earth's outer layer. Cool rigid layer. |
| Asthenosphere | The layer beneath the lithosphere. A plastic, solid layer of the mantle made of rock that flows very slowly and allows tectonic plates to move on top of it. |
| Tectonic Plates | Part of the lithospshere that is divided into peices. Continents are located on tectonic plates and move around them. |
| Erosion | The removal and transport of surface material |
| Atmosphere | A mixture of gases that surrounds the Earth. Made up of Nitrogen, Oxygen, Carbon Dioxide, and other gases. |
| Troposphere | The atmospheric layer nearest Earth's surface. Extends to about 18km above Earth's surface. |
| Stratosphere | Above the troposphere. Extends from about 18km to an altitude of about 50km. Temperatures rise as altitude increases. |
| Ozone | O3, a molecule made up of three oxygen atoms. In the stratosphere. |
| Radiation | 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 objects are placed in direct physical contact. |
| Convection | is the transfer of heat by air currents. |
Created by:
jchiang26
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