unit 1 Flashcards
GIS
“geographic information system”
uses computer technology to collect , manipulate, analyze, and display data about earths surface in order to solve geographical problems
absolute location
the exact position of a place on the earth
coordinates
hemisphere
halves
relative location
a places relation/position compared to other places
i live 2 minutes away from old union
formal region
places with common characteristics and sometimes set by government
(tarrant county)
functional region
places that are connected by movement
newspaper territory
perceptual region
places where people perceive the characteristics in the same way
(the south)
core
the earths center, consisting of very hot metal that is dense and solid in the inner core and molten in the outer core
lithosphere
the surface features of the earth including soil rocks and landforms
atmosphere
the layer of gases water vapor and other substances above the earth
hydrosphere
the water contained in oceans lakes rivers and under ground
biosphere
the world of plants animals and other living things in the earths land and waters
relief
the differences in elevation or height of the landforms in any particular area
mantle
a thick layer of mostly solid rock beneath the earths crust that surrounds the earths core
mechanical weathering
the actual breaking up or physical weathering of rock by forces such as ice and roots
crust
the solid rocky surface layer of the earth
weathering
the chemical or mechanical process by which rock is gradually broken down eventually becoming soil
continent
any of the seven large landmasses of the surface
geography
the study of where people, places, and things are located and how they relate to eachother
continental drift theory
the idea that continents slowly shift their positions due to movement of the tectonic plates on which they ride