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geography terms lower/upper grammar

mountain range

a series of hills or mountains

source river

place where a river begins

mouth river

place where a stream or river flows into a larger body of water

peninsula

body of land jutting into a lake or ocean, surrounded on three sides by water

island

a land mass (smaller than a continent) that is surrounded by water

plateau

a landform that has high elevation and a more or less level surface

tributary

a branch that flows into the main stream

canal

long and narrow strip of water made for boats or for irrigation

delta

a low triangular area where a river divides before entering a larger body of water

sea

a division of an ocean or a large body of salt water partially enclosed by land

bay

part of a large body of water that extends into a shoreline, generally smaller than a gulf

port

a place where ships load and unload their goods

summit

the top point of a mountain or hill

inlet

a small opening between a small and a larger body of water

cliff

a steep high face of rock

isthmus

a relatively narrow strip of land (with water on both sides) connecting two larger land areas

mesa

broad, flat-topped landform with steep sides; smaller than a plateau

strait

a narrow channel of the sea joining two larger bodies of water

fiord

a long narrow inlet of the sea between steep cliffs

archipelago

a group of many islands in a large body of water

estuary

A habitat in which the fresh water of a river meets the salt water of the ocean.

fall line

area along which rivers form waterfalls or rapids as the rivers drop to lower land

glacier

a slowly moving mass of ice

piedmont

An area of land formed or lying at the foot of a mountain or mountain range

arroyo

a stream or brook

cataracts

strong rapids

chasm

a deep opening in the earth's surface

reservoir

a natural or artificial lake, usually made by damming a stream of running water

precipice

a very steep cliff

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