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Unit 1- Sci. Method

TermDefinition
Scientific Method A process we can use to solve problems and answer questions
Question The question you are trying to answer The 1st step of the scientific method
Information Gather background information about your question using credible sources of information The 2nd step of the scientific method
Hypothesis An If... Then... statement scientists use to find a testable way to answer a question The 3rd step of the scientific method
Test Do an experiment that helps you answer your question The 4th step of the scientific method
Analysis Scientists look at the data from their experiment and find patterns The 5th step of the scientific method
Conclude and Communicate After looking at the data, scientists try to answer their original question The 6th step of the scientific method
If... The part of the hypothesis that explains what the scientist plans to do.
Then... The part of the hypothesis that explains what results the scientist expects to see.
Independent Variable The variable a scientist is changing in an experiment. There can only be one of these in an experiment. Also called the manipulated variable
Dependent Variable The variable that is a result from what changed during the experiment. The scientist measures this variable as the result. Also called the responding variable
Constant Variable Different things that COULD change in an experiment, but the scientist makes sure they stay the same
Placebo Effect Animals and humans see real changes in their bodies because they EXPECT there to be a change.
Control Group What the scientist compares the result to. This group has no change in the independent variable.
Procedure A step by step set of directions that the scientist follows during an experiment.
Sample Size Experiments with lots of people or trials have more accurate results.
QIHEAC Question Information Hypothesis Experiment Analysis Conclusion/Communicate
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