| A | B |
| Precision | how close measurements are to one another |
| Conclusion | a final statement summing up the results of an experiment it should refer to the hypothesis |
| qualitative data | descriptions from observations that do not contain numbers |
| quantitative data | observations from an expericment containing numerical measurements |
| experimental group | in an experiment the group whose conditions are being changed |
| hypothesis | testable explanation of a question or problem |
| trend | description of the behavior of a variable or the relationship between two variables |
| prediction | an inference about future events based on current evidence, past experience or knowledge |
| control group | part of the experiment in which all conditions are kept constance |
| scientific method | common procedures used by scientists to gather information used in problem solving and experimentation |
| independent variable | factor in an experiment the |
| dependent variable | factor in an experiment that the scientist wants to obseve, which may change as a result of other variables being changed |
| inference | the interpretation of an observationbased on prior knowledge |