| A | B |
|---|
| balance | a tool that measures mass by comparing an unknown mass of an object with an object of known mass |
| chromatography | a laboratory technique used to separate mixtures of molecules |
| compound light microscope | a tool that uses more than one lens and a light source to magnify an object |
| dichotomous key | a guide that compares pairs of observable traits to 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 mixtures of molecules according to size |
| graduated cylinder | a tool used to measure the volume of a liquid |
| indicator | a substance that changes colors 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 |
| metric ruler | a tool used to measure the length of an object |
| 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 view under a micoscope |
| stereoscope | a microscope that uses two eyepieces; often used for dissections |
| triple-beam balace | a tool, with a single pan and three bars calibrated in grams, used to measure mass |
| volume | the space occupied by something |
