Ewen 6th period class
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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| irrigation | process of supplying water to areas to make suitable for growing crops
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| conservation | practice of using less of a resource so that it will not be used up
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| desalination | obtaining fresh water from salt water
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| water quality | measurement of the substances in water besides water molecules
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| concentration | the amount of one substance in a certain volume of another substance
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| pH | measurement of how acidic or basic the water is on a scale of 0-14
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| hardness | combined level of two minerals- calcium and magnesium- in a sample of water
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| filtration | process of passing water through a series of screens that allows water through, but not larger solid particles
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| coagulation | the other particles that stick to the flocs
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| sewage | water containing human wastes
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| water pollution | addition of any substance that has a negative effect on water or the living thing that depend on water
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| pollutant | substances that cause water pollution
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| point source | specific source pollution that can be identified
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| non-point source | widely spread source of pollution that can't be tied to a specific point of origin
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| pesticide | chemicals intended to kill insects and other organisms that damage crops
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| acid rain | rain or another form of precipitation that is more acidic than normal
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| drought | a long period of scarce rainfall
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| flash flood | sudden and violent flood that occurs within a few hours, or even minutes, of a storm
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| levee | long ridge formed by deposits of sediments alongside a river channel
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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.
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.
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:
spingy
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