Unit 3 - Earth's Surface
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Earth System | all of the nonliving things, living things, and processes that make up the planet Earth, including the solid Earth, the hydrosphere, the atmosphere, and biosphere
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| geosphere | the mostly solid, rocky part of Earth; extends from the center of the core to the surface of the crust
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| hydrosphere | the portion of the Earth that is water
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| cryosphere | those portions of Earth's surface where water occurs in a solid form
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| atmosphere | a mixture of gases that surrounds a planet or moon
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| biosphere | the part of the Earth where life exists; includes all of the living organisms on Earth
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| energy budget | the new flow of energy into and out of a system
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| weathering | the natural processes by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks
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| physical weathering | the mechanical breakdown of rocks into smaller pieces that is caused by natural processes and that does not change the chemical composition of the rock material
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| abrasion | the process by which rock is reduced in size by the scraping action of other rocks driven by water, wind, and gravity
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| chemical weathering | the chemical breakdown and decomposition of rocks by natural processes in the environment
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| oxidation | a chemical reaction in which a material combines with oxygen to form new material; in geology, oxidation is a form of chemical weathering
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| acid precipitation | rain, sleet, or snow that contains a high concentration of acids
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| erosion | the process by which wind, water, ice, or gravity transports soil and sediment from one location to another
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| deposition | the process in which material is laid down
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| floodplain | an area along a river that forms from sediments deposited when the river overflows its banks
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| delta | a mass of material deposited in a triangular or fan shape at the mouth of a river or stream
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| alluvial fan | a fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply
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| groundwater | the water that is beneath Earth's surface
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| shoreline | the boundary between land and a body of water
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| beach | an area of the shoreline that is made up of deposited sediment
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| sandbar | a low ridge of sand deposited along the shore of a lake or sea
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| barrier island | a long ridge of sand or narrow island that lies parallel to the shore
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| dune | a mound of wind-deposited sand that moves as a result of the action of wind
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| loess | fine-grained sediments of quartz, feldspar, hornblende, mica, and clay deposited by the wind
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| glacier | a large mass of ice that exists year-round and moves over land
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| glacial drift | the rock material carried and deposited by glaciers
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| creep | the slow downhill movement of weathered rock material
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| rockfall | the rapid mass movement of rock down a steep slope or cliff
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| landslide | the sudden movement or rock and soil down a slope
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| mudflow | the flow of a mass of mud or rock and soil mixed with a large amount of water
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| soil | a loose mixture of rock fragments, organic material, water, and air that can support the growth of vegetation
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| humus | dark, organic material formed in soil from the decayed remains of plants and animals
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| soil profile | a vertical section of soil that shows the layers, or horizons
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| soil horizon | each layer of soil within a soil profile
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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