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Unit 1 Science

Unit 1 Weathering and Erosion

QuestionAnswer
Weathering wearing down
glaciers huge sheets of ice slip on meltwater causing sediment to flow beneath them and causing damage to Earth's crust
gravity erosion the force of gravity pulls sediments downward
deposition deposit
Wind erosion wind blows and moves Earth's materials from one place to another
Physical weathering a crack in the ground fills with water, freezes, and expands causing the crack to gradually get larger
Louisiana loses ____________ square kilometers of coastline annually. 75
Water Erosion waves, rain, rivers, and streams can cause Earth's materials to move from one place to another
Chemical weathering oxygen and water interact with iron in rocks and cause them to weaken, break down, and become crumbly.
As the plates vibrate and move past each other earthquakes can form
As the plates move together volcnaoes and mountains can form.
Volcano mountain that forms when red hot
Biological factors trees, plant roots, animals (living)
Tornadoes violent rotating columns of air that take the form of a funnel cloud
Tsunami giant wave formed in the ocean that moves inland
You will often see _______________ as evidence of deposition. layers
Positive effects of volcanoes enriching soil, rebuild land by producing new crust
tornadoes form when cool and warm air meet
hurricane violent, rotating storm that forms over warm ocean waters near the equator.
The Hawaiian islands were formed by ______________. volcanoes
The outer layer of the Earth is the ______________. crust
California has many earthquakes because the San Andreas Fault runs through the area.
The Earth is made of ______________ main layers 4
The crust and upper mantle are made of slowly moving plates called ________________. tectonic plates
The __________________ can be broken into two parts. core
Created by: kwilliamson88
 

 



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