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The Dynamic Earth 3

Chapter 3 Vocabulary

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