Details Title: Chapt 2 vocab Description: vocab chapt 2 Total Flash Cards: 34 Created: 10/02/2009 08:42:16		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Geology Flashcards
Cards in this set: Term magma Definition molten rock Term continent Definition one of seven large landmasses on earths surface Term tectonic plate Definition a large rigid section of the earths crust the is in constent motion Term earthquake Definition a sudden movement of the earths crust followed by a seiries of shocks Term ring of fire Definition a zone of volcanos around the pacific ocean Term volcano Definition an opening in the earths crust from wich molten rock, ash, and hot gases flow or are thrown out Term weathering Definition the gradualphysical and chemical breakdown of rocks on earths surface Term erosion Definition the wearing away and movement of weathered matirials by water wind or ice Term sediment Definition peises of rock in the form of sand,stone or silt deposited by water wind or ice Term glacier Definition a large, slow moving mass of ice Term drainage basin Definition the area drained by a major river Term ground water Definition water found benith the earths surface Term hydrolic cycle Definition the circulation of water between the earth, the oceans, and the atmosphere Term landform Definition a feature on the earths surface formed by phisical force Term pleatu Definition a broad,flat area of land higher than the surounding land Term relief Definition the differance in the elevation of a land form from its lowest point to its highest Term continental shelf Definition the submerged land at the edge of a continent Term atmosphere Definition the layer of gasses that suround earth Term solstice Definition the time during the year when the sun reaches the furthest northern or southern part of the sky Term equinox Definition one of the two times a year when the suns rays are over the equator and days and night around the world are equil in length Term weather Definition the condition of the earths atmosphere at a given time and place Term climate Definition the typical weather conditions of a reigon over a long period of time Term precipitation Definition falling water droplets in the form or rain, snow, sleet, or hail Term vegetation reigon Definition an area that has simular plants Term savana Definition a vegitation region with a mix of grassland and scaterd trees Term desert Definition a rigon with plants specialy adapted to dry conditions Term global warming Definition an increese in the avrage temprature of earths atmosphere Term greenhouse gas Definition any gas in the atmospher that contributes to the greenhouse effect Term fossil fules Definition fules such as coal oils and natural gasses Term desertification Definition the prosses in wich farm land becomes less productuv because the land is degraded Term sustianable Definition useing natural recorces in a way they exist for fuuture generations Term carbon dioxcide Definition a gas conposed of carbon and oxygen Term emissions Definition substances discharged into the air Term degraded Definition of lower quality