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BHSWG- concepts #6

BHSWG- Physical geography (part 2)

QuestionAnswer
large waterfall CATARACT
alluvial deposit at a river's mouth that looks like the Greek letter delta DELTA
rich soil made up of sand and mud deposited by running water ALLUVIAL SOIL
Russian term for the vast sub-arcticforest, mostly evergreens that cover much of Russia & Siberia TAIGA
Vast treeless plains in cold northern climates, characterized by permafrost and small, low plants such as mosses and shrubs TUNDRA
precipitation carrying large amounts of dissolved acids which damages buildings, forests, and crops, and kills wildlife ACID RAIN
the removal of salt from seawater to make it usable for drinking and farming DESALINIZATION
A complex community of interdependent plants and animals in a given environment ECOSYSTEM
The specific ecosystem of a region; 5 types found around the world- desert, forest, grassland, tundra, aquatic BIOME
another name for desert ARID
savanna or steppe GRASSLANDS IN TROPICAL OR TEMPERATE AREAS
underground water-bearing layers of porous rock, sand, or gravel AQUIFER
Piles of rocky debris left by melting glaciers MORAINE
fine yellowish-brown topsoil made up of particles of silt and clay, usually carried by the wind LOESS
a bend of layers of rock, sometimes caused by plate movement FOLD
a crack or break in the earth's crust FAULT
the part of the continent that extends underwater CONTINENTAL SHELF
Small area in the desert where water and vegetation are found OASIS
Plant life that grows in certain areas if people have not changed the natural environment NATURAL VEGETATION
The side of the mountain from which the wind is blowing; the side of the mountain that gets the precipitation WINDWARD
The side of the mountain toward which the wind is blowing; the dry side that gets no precipitation (rain shadow) LEEWARD
The effect of mountains on climate, where the elevated landforms cause precipitation to fall on the windward side of the mountain and a dry climate (rain shadow) on the leeward side of the mountain OROGRAPHIC EFFECT
Bending of the prevaling winds due to the rotation of the earth CORIOLOS EFFECT
The orbit of the arth around the sun; along with the earth's tilt, this gives us our seasons REVOLUTION
The spinning of the earth on its axis, which gives us day and night ROTATION
The tilt of the earth on its axis is _____ 23.5 DEGREES
The sources of of river waters HEADWATERS
Smaller river or stream that feeds into a larger river TRIBUTARY
A boundary in the eastern US where the higher land of the Piedmont drops to the lower Atlantic coastal plain FALL LINE
Elevation above which which it is too cold for trees to grow TIMBER LINE
Steep cliff or slope between a higher and lower land surface ESCARPMENT
An area where the tide meets a river current ESTUARY
Electrical energy generated by falling water HYDROELECTRIC POWER
Cutting down whole forests when removing timber CLEAR CUTTING
Process by which a body of water becomes too rich in dissolved nutrients, leading to plant growth that depletes oxygen EUTROPHICATION
The top layer of the rain forest, where the tops of tall trees form a continuous layer of leaves CANOPY
Technological and economic growth that does not deplete the human and natural resources of a given area for future generations SUSTAINABLE DEVELOPMENT
To wash nutrients out of the soil LEACH
An area with conditions suitable for certain plants and animals to live HABITAT
Large landmass that is part of a continent but still distinct from it, like India SUBCONTINENT
Japanese term for an earthquake under the ocean that causes large waves TSUNAMI
Seasonal winds in Asia that bring warm, moist air from the ocean in summer and cold, dry air from inland areas in the winter MONSOON
Large group of islands ARCHIPELAGO
Process in which arable land is turned into desert (ex. the Sahel in Africa) DESERTIFICATION
Native plant or animal species ENDEMIC
Created by: BHSWG
 

 



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