| Term | Definition |
| problem | something to be solved |
| observations | what you see, hear, etc. |
| experiment | test/trial to answer the problem question |
| hypothesis | suggested solution to problem question |
| procedure | the step by step method to carry out the test/trial |
| data | recorded observations and measurements |
| conclusion | summary of the relationship between the outcome of the experiment and hypothesis |
| variable | the factor being tested |
| independent variable | the factor being tested, the variable that is changed to test the hypothesis |
| dependent variable | the factor the may change in response to the test factor |
| outcome | the end product |
| theory | an explanation of how nature works |
| control | the standard |
| modeling | replicas, representation |
| law | a statement that describes nature |
| quantitative reasoning | info expressed in numbers |
| qualitative reasoning | info expressed in descriptions |
| technology | applied science |
| steps in problem solving | a systematic approach or method to test |
| constant | a quantity that does not vary |