Topic 9 Laboratory Skills
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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| balance | a tool that measures mass=grams
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| chromatography | a laboratory technique used to separate pigments
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| compound light microscope | a tool that uses more than once lens and a light source to magnify the object
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| dichotomous key | a guide that compares pairs of observable traits t help the user identify an organism
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| dissection | the act of cutting apart a dead organism to examine its internal structure
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| electronic balance | a balance that measures mass automatically
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| electrophoresis | a tool that allows scientists to separate DNA according to size
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| graduated cylinder | a tool used to measure the volume of a liquid - milliliters
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| indicator | a substance that changes color when it encounters certain chemical conditions
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| magnification | the ability of a microscope to make an object appear larger
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| mass | a measure of the quantity of matter in an object - grams
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| metric ruler | a tool used to measure the length of an object - centimeters
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| microscope | a tool that uses a lens or a combination of lenses to magnify an object
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| stain | a chemical used to make cell structures more visible when viewed under a microscope
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| stereoscope | a microscope that uses two eyepieces; often used for dissections; also called a dissecting microscope
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| volume | the amount of space an object occupies
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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.
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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:
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