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Key Terms and the Scientific Method

By: Janna and Bree

Brianna Aretz

on 25 March 2013

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Transcript of Key Terms and the Scientific Method

Key Terms and The Scientific Method Hypothesis A hypothesis is NOT a guess, it is an EDUCATED PREDICTION! Test After you make your hypothesis you need
to conduct your experiment. The treatment group gets the treatment and the control group stays consistent. To do an experiment you might need a treatment group and a control group. DATA While your experiment is going on, you need to collect data to see if your hypothesis is right or not. Variable
Control Variable is the thing that changes. Control is the thing that stay the same Fact A system of rules or principles Theory a system or collection of rules Law Something known to exist or to have happen Qualitative Analysis Quantitative Analysis & Testing of a substance to determine its chemical proportions Quantitative Analysis Qualitative Analysis Testing of a substance to determine its characteristics! Variables Independent and Dependent Independent Variable - a variable that is intentionally changed to observe its effect on the dependent variable. Dependent Variable - the event studied and expected to change when the independent variable is changed.
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