SOIL
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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| loam | the most fertile type of soil
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| humus | decaying parts of plant animals in the soil
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| clay | smallest soil particle
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| sand | largest soil particle
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| sand | particles from 2 to .05 millimeters
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| silt | particles from .05 to .002 millimeters
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| clay | particles smaller than .002 millimeters
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| clay | the type of soil that holds most water
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| sand | type of soil that holds less water
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| technology | the practical use of science
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| agriculture | the science to produce food, shelter and fiber
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| applied and basic | the two types of agriculture
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| pH | potential hydrogen
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| pH | measures acidity or alkalinity
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| 0 to 14 | range of the pH scale
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| 0 to less than 7 | range of the pH for an acid
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| more than 7 to 14 | range of the pH for a base or alkaline
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| pH 7 | neutral
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| soil profile | the different layers of soil in an area
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| Horizon | one of the layers of a soil profile
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| Horizon-O | top layer of a soil profile
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| Horizon-A | second layer of a soil profile
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| Topsoil | another name for Horizon-A
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| subsoil | another name for Horizon -B
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| Horizon-B | second layer of soil profile
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| Horizon-R | the layer known as bedrock
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| parent material | material from which soil is made
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| weathering | the process of changing rocks to soil
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| fauna | the animals indigenous to an area
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| flora | the plants indigenous to an area
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| cohesion | a force that attracts molecules of the same type
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| adhesion | a force that attracts different types of molecules
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| tilth | the general condition of the soil with respect to texture, moisture and drainage
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| texture | the property caused by the amount of sand, silt and clay in the soil
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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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Created by:
CAHS SCIENCE 09
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