| A | B |
| trade-off | giving up one thing in favor of another |
| inference | conclusions drawn from observations |
| ethics | decsions and opinions that decide whether or not something is "right" |
| hypothesis | an educated guess/answer as to why or how a problem occurs |
| controlled variables | the part of the experiment that does not change |
| experimental variable | the part of the experiment that is being tested |
| qualitative data | properties or characteristics that are used to identify things |
| quantitative data | values that have been measured or counted |
| evidence | proof |
| observation | using one or more of your five senses to make a statement about something |