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Erosion & Weathering Word Scramble

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Science Vocab 147928

Ch.18 LTI-MA 509

Biology Lab Midterm

mr. charles11

500 Words

Spanish 3

Question	Answer
all material arrived and deposited by glaciers	glacial drift
happens when a group of loose rocks fall down a steep slope.	rock fall
rapid movement of a large mass of mud	mudflow
a glacial deposit that is sorted into layers based on the size of the rock material	stratified drift
sudden rapid movement of a large amount of a material downslope	landslide
mudflows of volcanic origin	lahars
a ridge of till bulldozed ahead and deposited by a glacier	moraine
the final step in the erosional process	deposition
a type of mass movement in which soil moves slowly down a hill, sometimes causing posts and trees to lean	creep
glacial erosion in which frozen water removes rock fragments and adds them to the bottom of the glacier	plucking
a large, heavy mass of compacted snow and ice that moves slowly downhill because of the force of gravity	glacier
a thick deposit of fine, wind-eroded sediments	loess
a type of erosion in which loose materials are carried downslope by gravity	mass movement
unsorted mixture of rock and soil deposited by a retreating or melting glacier	till
the process that removes surface materials and transports them from one place to another	erosion
mass movement in which one large mass of loose material or rock layers tilts and moves downhill	slump
wind erosion that removes loose, fine-grained sediments such as clay or silt and leaves behind coarser material	deflation
The breakdown of rock into smaller and smaller pieces	weathering
the breakdown of rock into smaller pieces by physical means including: ice, wind, water, gravity, plants, animals	mechanical weathering
the grinding and wearing down of rock surfaces by other rock or sand particles	abrasion
the chemical breakdown of rock and minerals into new substances by something such as water, weak acids, and air	chemical weathering
precipitation that contains acids because of air pollution	acid rain
chemical reaction in which an element, such as iron, combines with oxygen to form an oxide	oxidation
a loose mixture of small mineral fragments and organic material	soil
the layer of rock beneath the soil	bedrock
the organic part of the soil, decayed plant and animal	humus
Top layer of soil, contains more humus than the other layers	topsoil
an area of shoreline made up of material deposited by waves	beach
place where land and a body of water meet	shoreline
a water current that travels near and parallel to the shoreline causing the sand to move in a zig zag pattern along the beach	longshore current
mound of wind-deposited sand that are common in deserts and along the shore of lakes and oceans	dune
the skipping and bouncing movement of sand sized particles in the direction the wind is blowing	saltation