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Scientific Method
A scientific process
| Question | Answer |
|---|---|
| prediction | Making an educated guess. |
| classify | Group by similer characteristics |
| qualitative observation | uses our senses to gather information |
| quantitative observation | measure to get information |
| inference | give an explanation for what you observed |
| communication | tell others what you know |
| hypothesis | educated guess |
| observational investigation | lab (investigation)when changes are being observerved |
| experimental investigation | lab (investigation) when hypothesis is being tested |
| independent variable | change the experimenter makes in an experiment. Also known as the manipulated variable. "I" change this first |
| dependent variable | change that responds to the "IV". this change is the data collected or data measured to determine if the "IV" has an effect. This change happens after "IV". |
| constant | The factors that must stay the same in order for the experiment to be a fair test. The experimenter may only change one variable- the "IV"- all other factors must stay the same. |
| control | standard of comparison |
| fair test | an experiment that changes only one factor |
| repeated trials | Completing an experiment many times. This is done to make the experiment a fair test. |