Mr. Olson 6th Grade Science Chapter 4E
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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| What is made from red seaweed that is used in medical laboratories to grow bacteria, molds, and tissues? | agar
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| What is a colorless, odorless, burnable gas produced from decomposing organic matter? | methane
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| Getting fresh water from salt water is called what? | desalination
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| Contaminating our enviroment with wastes is called what? | pollution
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| What fuels do offshore oil rigs drill for? | fossil fuels
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| A power plant built on the Rance River generates' power from what? | tides
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| Ordinary people are responsible for ocean pollution through the production of what? | sewage
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| Ocean Thermal Energy Conversion (OTEC) depends on differences in water ______. | temperature
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| The use of salters ducks is an attempt to capture the energy of what? | waves
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| What toxic pollutant accident happened in Minamata, Japan? | mercury
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| The raising of animals and sea weed in closed off portions of oceans is an example of what? | aquaculture
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| What is putting many species of sea life in danger of becoming extinct? | fishing
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| What acid from brown sea weed is used to make ice cream? | Alginic acid
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| An international ban on whale hunting was enacted in what year? | 1985
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| What is a possible source (large, frozen) of fresh water in our oceans? | ice bergs
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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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