Unit 3: RWEDS
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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| The rock cycle | the process undergone by rocks in the Earth's crust
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| igneous rock | rocks formed by cooling of molten rock
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| Intrusive igneous rock | igneous rock formed from magma under the Earth's surface
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| Extrusive igneous rock | igneous rock formed from lava above the Earth's surface
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| Sedimentary rock | a rock formed from the deposition and solidification of sediment
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| fossils | remains or traces of plants and/or animals
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| metamorphic rock | rock that changed from intense heat and pressure
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| accumulation | several things grouped together or considered as a whole
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| sediments | small pieces of rocks, minerals and organic matter; examples of sediments include gravel, clay, silt, pebbles, sand, mud, shells, dirt
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| organic matter | came from something living
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| weathering | wearing away or breaking or changing the appearance of something
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| erosion | the process by which natural forces such as wind, water and gravity move weathered rock particles from one place to another
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| deposition | where the weathered rock particles end up after erosion
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| compaction | the act of crushing something
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| cementation | the binding together of particles
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| soil | upper layer of Earth in which plants grow consisting of a mixture of organic remains, clay and rock particles
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| mechanical weathering | the physical breaking of exposed rock without any change to the chemical composition
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| chemical weathering | erosion or disintegration of rocks caused by chemical reactions
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| biological weathering | a chemical weathering caused by a release of acids from plants or animals
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| oxidation | rusting
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| abrasion | rocks hitting and scraping other rocks
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| glaciers | large blocks of ice that grow and recede over time
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| rock fall | when rocks fall down a steep slope; the fastest type of mass movement
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| rock slide | when rocks roll down a steep slope; the second fastest type of mass movement
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| flow | when saturated soil moves down a slope; the 3rd fastest type of mass movement
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| slump | a section of a steep hill becomes saturated and wrinkles its way down a hill; the 2nd slowest type of mass movement
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| creep | occurs over multiple of years, sediments become saturated and unsaturated and shift 2-3 inches down hill per year; the slowest type of mass movement
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| humus | the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms
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| clay | sediment with particles smaller than silt; the smallest particle in soil
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| silt | fine sand, clay or other material; the medium sized particle in soil
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| sand | loose, ganular substance resulting from the erosion of rocks; the largest particle of soil
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| soil profile | used to define the types of soil layers
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| horizon | a layer parallel to the soil surface whose physical, chemical and biological characteristics differ from the layers above and beneath
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| bedrock | solid rock underlying loose deposits such as soil
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| terracing | making slopes into a series of level flat areas resembling a series of steps
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| contour plowing | plowing along the shape of the land in order to minimize soil erosion
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| strip cropping | cultivation of which different crops are grown in alternate strips to prevent soil erosion
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| shelter belt | line of trees or shrubs planted to protect an area from strong winds
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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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