Independent (manipulated) variable: is the variable you purposely
manipulate ( change ). Ex . Adding salt
Dependent (responding) variable: is the variable that changes in
response to the independent variable – water temp .
Controlled (constants) variables: are variables that are not changed .
Ex . Amount of water used.
Control Group: A group that is tested in which the independent variable is not applied. It is used as the standard by which the test results can be compared (Exp: Boiling the water without the salt added)