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