| A | B |
| density | mass per unit volume |
| derived unit | obtained by combining SI units |
| graph | visual display of data |
| kelvin | SI unit for temperature |
| kilogram | SI unit of mass |
| liter | a metric unit of volume |
| mass | amount of matter in an object |
| meter | SI unit of length |
| second | SI unit for time |
| SI | the modern verson of the metric system |
| standard | an agreed-upon quantity to be used for comparison |
| volume | the amount of space occupied by an object |
| pie graph | used to show percentage of a whole |
| bar graph | used to show counting infromation |
| line graph | used to show change over time |
| milli | .001 or 1/1000 |
| centi | .01 or 1/100 |
| deci | .1 or 1/10 |
| kilo | 1000 |
| deka | 10 |