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