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LE Topic 9 - Lab

Topic 9 Laboratory Skills

TermDefinition
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