| A | B |
|---|
| technology | the practical use of scientific information |
| physical science | the study of matter and energy |
| pure science | the gathering of new information or the discovery of a new relationship or fact |
| model | an idea, system, or structure that represents whatever you're trying to explain |
| observation | using your senses to gather information |
| hypothesis | a testable prediction |
| theory | an explanation based on many observations supported by experimental results |
| scientific law | a rule of nature that sums up related observations and experimental results to describe a pattern in nature |
| problem | a situation in which something appears to be missing |
| exercise | an activity where the steps to find a solution are usually obvious |
| experiment | an organized procedure for testing a hypothesis |
| control | a standard for comparison |
| constant | a factor that doesn't vary in an experiment |
| independent variable | the factor in an experiment that is adjusted by an experimenter |
| dependent variable | a factor in an experiment whose value depends on the value of the independent variable |
| inference | a logical interpretation based on observations and prior knowledge |
| qualitative observation | a general observation assessing qualities made using any one or combination of our senses |
| quantitative observation | an observation made using numbers, counts, or measurements |
