Vocabulary words from unit B-4.
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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| hazardous waste | Waste that is potentially harmful to the environment or others’ health.
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| recycle/recyclability | To convert waste into reusable materials.
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| circuit board | A thin, rigid board containing an electrical circuit.
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| etch | To cut or carve a design into a surface.
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| concentration | A close gathering or grouping together of sub-units of a substance or object.
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| dilution/serial dilution | The action of making a liquid weaker/thinner, typically by adding another liquid.
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| indicator | A display or sign of some sort that signals the state or level of something.
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| combustion | The process of burning something.
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| incineration | The process of destroying something via combustion.
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| reclaim/reclaimed/reclamation | To extract a substance from another substance to get it back again.
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| filtrate | A liquid that has passed through a filter.
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| precipitate/precipitation | The formation of a solid from a chemical reaction.
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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:
lclark01
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