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WLD GEOG G & H 10.2009

Abyssal Fans underwater version of alluvial fans, soil deposited on the continental slope, the deepest part of the ocean floor.
atoll island of coral that partially or completely surrounds a lagoon
archipelago a group or chain of islands
alluvial fan soil deposited at the base of mountains, caused by flowing water
basin a large or small depression in the surface of the land or the ocean floor.
butte an isolated hill or mountain with steep sides, usually has a smaller summit than a mesa
continent the largest of the earth's land masses
continental shelf a shallow submarine plain of varying width forming a border to a continent and typically ending in a steep slope to oceanic abyss
caldera a volcanic crater that has a diameter much larger than the vent, formed by collapse of the central part of the volcano or eruption
canyon a narrow chasm with steep cliff walls, cut into the earth by running water; a gorge. ...
cape a point or extension of land jutting out into water like a peninsula, only smaller
crevasse a deep crevice or fissure as in a glacier
dell a small valley
delta land formed at the mouth of a river by sediment deposits
desert an arid barren land usually with less than 10 inches of precipitation
drumlin an elongated or oval hill of glacial drift
escarpment a long, precipitous, clifflike ridge of land, rock, or the like commonly formed by faulting or fracturing of the earth's crust
waterfall caused by a stream, flowing over an erosion-resistant rock formation that forms a sudden break in elevation.
esker a serpentine ridge of gravelly and sandy drift, formed by glacial meltwater
fjord a long narrow arm of the sea bordered by steep cliffs and usually formed by glacial erosion
geyser up fountainlike jets of water and steam into the air
glacier a large body of ice moving slowly down a slope or valley or spreading outward on a land surface
island land completely surrounded by water
isthmus a narrow neck of land that connects two larger land masses
kettle a deep bowl-shaped depression in glacial drift
mesa a broad flat-topped elevation with cliff like sides
moraine a ridge, mound, or irregular mass of unstratified glacial drift, chiefly boulders, gravel, sand, and clay
mountain a natural elevation of land rising more or less abruptly to a summit and usually an elevation of 1000 feet or more
peninsula a portion of land nearly surrounded by water and connected with a larger land mass
plateau a usually extensive land area having a relatively level surface that rises sharply above adjacent land on at least 1 side
plain an area of land not significantly higher than adjacent areas and with relatively minor differences in elevation, commonly less than 500 ft within the area
range a chain of mountains forming a single system
rift an elongated crevice formed by the depression of a block of the earth's crust between two faults or groups of faults of approximately parallel strike
summit the highest point; peak, the topmost level attainable
valley an elongated depression of the earth's surface usually between hills or mountains
volcano a vent in the crust of the earth or another planet from which molten or hot rock and steam issue
bay an inlet of the sea or other small body of water usually smaller than a gulf
bog a poorly drained usually acid rich area in accumulated plant material
cataract a descent of water over a steep surface as in a waterfall or series of rapids
channel a navigable route between two bodies of water, or a wide strait as between a continent and and island
course the path over which something moves or extends
estuary a water passage where the tide meets a river current: an arm of the sea at the lower end of a river
geyser a spring that throws forth intermittent jets of heated water and steam
gulf part of an ocean or sea that extends into land, usually large in size
lagoon a body of comparatively shallow salt water separated from the deeper sea by a shallow or exposed sandbank, coral reef, or similar feature.
lake body of water surrounded by land
marsh a wetland that features shallow water and various grasses
meander the snake-like movements of a river as moves over the landscape
ocean an extremely large body of salt water
sea large expanse of salt water connected to an even larger body of salt water
spring a point where groundwater flows out of the ground; where the aquifer surface meets the ground surface.
strait s narrow neck of water connecting two larger bodies of water
swamp wetland that features permanent inundation of large areas of land by shallow bodies of water, generally with a substantial number of hummocks and a large amount of woody vegetation
tributary a stream or river that flows into a larger river
source the origin or beginning of a stream or irver
marsh a wetland having usually shallow waters and a variety of grasses; lacks trees
sound a large sea or ocean inlet larger than a bay, deeper than a bight, wider than a fjord, or it may identify a narrow sea or ocean channel between two bodies of land
Created by: NHS-NHS