World Geography, sections 1, 2, 3, and 4. – Flashcards
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energy
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ability to do work or cause change
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sediment
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is formed when physical or chemical processes weather rock on or near the earth's surface
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mechanical weathering
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is the type of weathering that changes the size of a rock, but not its composition
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a delta
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is a fan-like landform that is created when a river carries sediment to the ocean
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humus
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is the organic material that contributes to the fertility of soil
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Glacation
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is a process by which moving masses of ice change the topography of a region
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tectonic plates
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moving pieces of the earth that make up the earth's crust
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an earthquake
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a seismograph measures the size of waves caused by
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tsunami
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a giant ocean wave that is sometimes caused by an earthquake is called a
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lava
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magma can flow out of cracks in the earth's surface as
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a volcano
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the flow of magma through cracks in the earth's surface is called
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ring of fire
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a chain of volcanoes that line the pacific rim
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continental drift
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the hypothesis that all continents were once joined into a supercontinent that split apart over millions of years.
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hydrosphere
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the ___________ is made up of tha=e water elements on the earth, which include oceans, seas, rivers, lakes, and water in the atmosphere
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richter scale
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a way to measure information collected by seismographs to determine the relative strength of an earthquake
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epicenter
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the point on the on the earth's surface that corresponds to the location in the earth where the earthquake begins
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hydrologic cycle
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the continuous circulation of water among the atmosphere, the oceans, and the earth
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drainage basin
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and area that has been drained by a major river and its tributaries
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groundwater
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the water held under the earth's surface; often in and around the pores of rock
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water table
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the level at which rock is saturated
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landform
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a naturally formed feature on the surface of the earth.
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continental shelf
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the earth's surface form the edge of the water to the deep part of the ocean
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relief
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the difference in elevation of a landform from the lowest point to the highest point
