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27 Cards in this Set

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ARCHIPELAGO
A group of islands.
AQUIFER
A layer of water-bearing rock through which groundwater moves.
ARCHIPELAGO
A group of islands.
ELEVATION
The distance above sea level.
FJORD
A deep, narrow inlet of the sea between high, steep cliffs.
ESCARPMENT
A steep slope or cliff.
EQUINOX
Occurs twice a year when the sun appears directly overhead to observers at the equator. The periods of sunlight and darkness are nearly equal.
HABITAT
The natural environment of a plant or animal.
GEYSER
A hot spring through which jets of water and steam escape.
LATITUDE
The distance north or south of equator.
ISTHMUS
A narrow piece of land that joins two larger land areas and separates two bodies of water.
LONGITUDE
The distance east or west of the prime meridian.
MESA
Broad, flat-topped landforms with steep sides. Found mostly in dry regions.
PRIME MERIDIAN
The line of 0 degrees longitude, the starting point for measuring distance east and west around the globe. It runs through Greenwich, England.
PERMAFROST
Permanently frozen layer below the earth's surface consisting of soil, gravel, and sand usually bound together by ice.
PLATEAU
A large, relatively flat area that stands above the surrounding land.
SILT
A type of matter that water, ice, and wind transport and deposit. It is made up of particles of rocks and minerals that are smaller than fine sand.
TAIGA
A forest of the cold, subarctic regions that begins south of the tundra vegetation.
CENSUS
A count of the population of a country, usually conducted by the government. It records the number of people and data such as age, gender and occupation. A count may also be taken of animal or plant life.
ATOLL
A coral reef in the open ocean that appears as a low, ring-shaped island or ring of islets.
CANYON
A deep,narrow valley having high, steep sides or cliffs.
BUTTE
Tall, steep-sided towers of rock. Smaller than a mesa.
BAY
Part of a lake or sea that is partly surrounded by the shore-land.
CHANNEL
A wide strait or waterway between two land masses that lie close to each other.
DIVIDE
The high land that separates two river basins. A river drains the water from the land, and that land is its basin.
ESTUARY
A broadened seaward end of a river. Most estuaries contain a mixture of fresh water from the river and salt water from the ocean.
DELTA
Land made by soil that drops from a river at its mouth, the place where it meets the sea.