Chapter 13: Oceans
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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Salinity | Measure of the amount of solids, or salts, dissolved in seawater.
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Photosynthesis | A process in which organisms use sunlight, water, and carbon dioxide to make food and oxygen.
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Thermocline | Begins at a depth of about 200m, temperature drops quickly with increasing depth.
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Surface Current | Powered by wind, usually moves only the upper few hundred meter of seawater.
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Density Current | Forms when more dense seawater sinks beneath less dense seawater.
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Upwelling | A current in the ocean that brings deep, cold water to the ocean surface.
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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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