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Scientific Method

TermDefinition
Observational Investigation an experiment that is used to discover information about objects or events by using one or more of our 5 senses
Experimental Investigation an experiment that tests a hypothesis to see if changes in the independent variable affect the outcome (the dependent variable)
Variables things in an experiment that change or can be changed
Independent Variable the variable that I, the experimenter, change on purpose at the beginning of the experiment to see if it will affect anything
Dependent Variable the variable that changes or responds to what the scientist did
Hypotheses a prediction of how the IV will affect the DV
Constants parts of the experiment that do not change
Control An experiment is done without testing the IV to see what the normal outcome is.
Repeated Trials the number of times you do the experiment or the number of objects or organisms that are tested.
Purebreed Both alleles are the same (either two dominant or to recessive)
hybrid Two different alleles for a trait (one dominant and once recessive)
Created by: musicmads