| A | B |
|---|
| balance | a tool that measures the mass of an object |
| chromatography | a laboratory technique used to separate mixtures of molecules |
| compound light microscope | a tool that luses more than one lens and a light source to magnify an object |
| dichotomous key | a guide that comares pairs of observable traits to help the user identify an orgaism |
| 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 |
