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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. |