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42 Cards in this Set
- Front
- Back
Landmasses above water on earth
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Continents
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Consists oh the sun and nine known plants
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Solar system
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Center of the earth
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Core
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Surrounding the core
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Mantle
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Molten rock
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Magma
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The lay of rock on the earths surface
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Crust
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Contains oxygen that we breath and protects earth from radiation and space dibrie
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Atmosphere
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Solid rock portion of the earth surface witch includes the uppermost mantle and earths crust
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Lithosphere
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All the water elements
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Hydrosphere
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Part of the earth where plants and animals live
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Biosphere
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Continents that move apart
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Continental drift
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Continous circulation of water between the atmosphere and the earth
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Hydrologic cycle
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An area drained by a major river
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Drainage basin
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Water held in pores of rock
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Ground water
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The rise or fall depending on the amount of precipitation in the region
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Water table
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The surface from the edge of a continent to the deep part of the ocean
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Continental shift
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A geographic feature that separates one type of landform from another
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Relief
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The combination of the surface shape and composition of the landforms and their distribution in a region
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Topography
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Tectonic plates
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Enormous moving pieces of the earths lithosphere riding above the circulation system
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Fault
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Fracture in the earths crust
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What are the tectonic plate movements?
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Spreading apart, subduction or diving under another plate, collision or crashing into each other, sliding past each other in a shearing motion.
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What are the three types of boundaries marks when their is tectonic movements.
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Divergent boundary:plates move apart spreading horizontally
Convergent boundary:plates collide one goes under the other or they crumble into each other Transform boundary: plates slide past one another. |
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Earthquake
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Violent movement of the earth
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Seismograph
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Special device that can detect earthquakes and measures the size waves.
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Epicenter
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The point directly above the focus of the earths surface.
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Richter scale
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Information collected by seismographs to determine the relative strength of a earthquake.
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Tsunami
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A giant wave in the ocean caused by an earthquake
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Volcano
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A crack in the earths surface that lava comes out of
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Lava
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Magma that reaches the earths surface
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Ring of fire
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A zone around the rumor the pacific ocean is the location of the vast majority of active volcanoes
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weathering
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Refers to physical and chemical processes that change the characteristics of rock on or near the earths surface
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Sediment
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Mud sand or silt is examples of?
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Mechanical weathering
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Process that breaks Rick into smaller pieces
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Chemical weathering
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Occurs when rock is changed into a new substance as a result of interaction between elements in the air or water and the minerals in the rock
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Erosion
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Occurs when weathered material is moved by the action of wind, water, ice, gravity
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Delta
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When a river enters the ocean, the sediment is deposited in a fan-like landform
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Loess
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Wind blown silt and clay sediment that produce very fertile soil
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Glacier
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A large long lasting of ice that moves because of gravity.
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Glaciation
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The changing of landforms npby slow moving glaciers
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Moraine
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Rocks left behind from a glacier melting forming ridges or hills
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Humus
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Organic material in the soil
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What 5 factors to geographers study when they look at soil?
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Parent material, relief, organisms, climate, time
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