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