Matching Pairs Atoms FlaschcardsOnline version Vocabulary - Atoms by Benjamin D Morgan 1 Controlled Variable 2 Atom 3 Stabilize 4 Outermost Energy Level 5 Electron 6 Dependent (responding) Variable 7 Energy Levels 8 Proton 9 Nucleus 10 Matter 11 Independent (manipulated) variable 12 Neutron 13 Ion The variable that we measure in an experiment (the effect) The variable that is kept the same during the experiment OTHERWISE they might effect the results The variable that we change in an experiment. The "cause"