| A | B |
|---|
| specific gravity | ratio of the mass of a substance compared to the mass of an equal volume of matter in a substance |
| mass | amount of matter in substance |
| luminous intensity | brightness of a light |
| electric current | flow of electrons in a circuit |
| time | duration |
| particles of matter | atoms, molecules, ions, etc |
| weight | amount of gravitational pull on a substance |
| conversion factor | value that chgs msrment from one set of units to another |
| powers of 10 notation | used to write very long numbers |
| accuracy | proximity of a measurement to its actual value |
| significant figures | all accurate figures plus one estimated last figure |
