three types of variables in controlled experiment

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