| A | B |
|---|
| Hypothesis | a testable statement |
| Model | an explanation of how phenomena occur |
| Scientific Method | logical approach to solving problems |
| System | an area that has been selected for study |
| Theory | explains a body of known facts or phenomena |
| Conversion Factor | used to convert from 1 unit to another |
| Density | an amount of mass in proportion to the volume it occupies |
| Accuracy | closeness of a measurement to the correct value |
| Precision | repeated measurements that are very close to one another |
| Percent Error | a quantitative measurement to determine the accuracy of an experiment |
| Directly Proportional | the amount of mass of aluminum being divided by its volume gives the same number |
| Indirectly Proportional | If the speed of a car is doubled it reduces the amount of time it takes to travel the same distance |
| Volume | amount of space occupied by a specific mass |
| SIgnificant Figures | all the digits in a number that actually determine the preciseness of the measurement or calculation |
| Scientific Notation | Numbers shortened for ease of quantitative calculations |
| Chemistry | the study of matter & the changes it goes through |
