Complete the table below identifying the different variables for each reaction. Remember, controlled variables are factors that remain the same throughout the experiment An independent (test) variable changes so that the experimenter can see the effect on other
variables. The dependent (outcome) variable will change in response to the test variable.
Reactants
Controlled Variables
Independent Variables
Dependent Variable
A) Iron (III) and copper
(11) sulfate solution
B) Lead (II) nitrate and
potassium iodide
solutions
C) Magnesium metal and
hydrochloric acid solution
D) Electrolysis of water
E) Burning magnesium