Cubangbang's 8thA Ch. 21 Groundwater System Stack #129321
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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| Groundwater | Water held underground in the soil or in pores and crevices in rock.
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| Hydrologic cycle | The path that water takes between the ocean, clouds, precipitation, groundwater, and the ocean again.
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| Percolate | Filter gradually through a porous surface or substance.
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| Water table | The level below which the ground is saturated with water.
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| Zone of aeration | The ground above the water table.
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| Porous | Having minute spaces or holes through which liquid or air may pass.
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| Impermeable | Not allowing fluid to pass through.
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| Perched water table | A thin stratum of impermeable rock located above the water table that traps water.
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| Artesian well | The kind of water that has enough pressure to spurt up through thee well.
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| Cone of depression | Caused by a well that is over-pumped.
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| Recharge zone | An area that resupplies groundwater
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| Cave | A large underground chamber, typically of natural origin, in a hillside or cliff.
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| Dripstone | Rock deposited by precipitation from dripping water, such as that which forms stalactites and stalagmites.
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| Flowstone | Rock deposited as a thin sheet by precipitation from flowing water.
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| Stalactite | A tapering structure hanging like an icicle from the roof of a cave formed of calcium salts deposited by dripping water.
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| Stalagmite | A mound or tapering column rising from the floor of a cave formed of calcium salts deposited by dripping water and often uniting with a stalactite
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| Disappearing stream | A stream that follows the hold in the underlying rock into the cave and disappears from the surface at that spot.
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| Appearing stream | Cave streams that can erode a hole in the side of a cave that opens in a hillside.
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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.
To hide a column, click on the column name.
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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.
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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Created by:
jcubangbang
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