three types of variables in controlled experiment
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controlled variable
constants or controlled variables- the variables that are kept the same (controlled) in all parts of an experiment
variable
factor or condition a factor or part of an experiment. experiments have three types of variables: controlled (constants), independent, and dependent
independent variable
manipulated variable or experimental variable the variable that is changed by scientist who is conducting the experiment. a good experiment has only ONE independent variable
dependent variable
responding variable the variable you measure (data) when you are conducting an experiment. it responds or depend on the independent variable
