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vocab
| Term | Definition |
|---|---|
| scientific method | organized set of investigation procedures that can include stating a problem, forming a hypothesis, researching and gathering information, testing a hypothesis, analyzing data, and drawing conclusions. |
| hypothesis | educated guess using what you know and what you observe |
| experiment | organized procedure for testing a hypothesis, test the effect of one thing on another under controlled conditios |
| variable | factor that can cause a change in the results of an experiment |
| dependent variable | factor that changes as a result of changes in the other variable |
| independent variable | factor that, as it changes, affects the measure of another variable |
| constant | in an experiment, variable that does not change when other variables change |
| control | standard used for comparison of test results on an experiment |
| bias | occurs when a scientist's expectations change how the results of an experiment are viewed |
| model | can be used to represent an idea, object, or event that is to big, too small, too complex, or too dangerous to observe or test directly |
| theory | explanation of things or events that is based on knowledge gained from many observations and investigation |
| scientific law | statement about what happens i nature that seems to be true all the time; does not explain why or how something happens. |
| technology | application of science o help people |