| A | B |
| metric system | measurement system based on multiples of 10 |
| centi | 100 |
| deci | 10 |
| milli | 1000 |
| meter | unit of distance |
| liter | unit of volume |
| gram | unit of mass |
| independent variable | manipulated variable |
| dependent variable | responding variable |
| interpolation | estimating values within the range of data |
| extrapolation | making a prediction outside the range of data |
| observations | using senses to gather information |
| hypothesis | educated guess as to why something happens |
| control group | group with no changes |
| experimental group | group in which one variable is manipulated |
| qualitative | data that uses descriptions |
| quantitatve | data that uses numbers |
| inference | use what you know to gather information |