A controlled variable is one that is held constant throughout an experiment. In the case of participant variables, the experiment might select participants that are the same in background and ...

In science, a variable is something that can be changed, measured or controlled in an experiment. Scientists look at variables to understand how they affect things. A variable is any one of the ...

Students will be able to identify and control variables to design an experiment to see whether the temperature of a solvent affects the speed at which a solute dissolves. Students will be able to ...