[{"term": "Energy", "definition": "The ability to do work or cause change."}, {"term": "Kinetic Energy", "definition": "The energy of motion (KE = ½mv²)."}, {"term": "Potential Energy", "definition": "Stored energy based on position or condition."}, {"term": "Circuit", "definition": "A closed loop through which electric current can flow."}, {"term": "Wavelength", "definition": "The distance between two consecutive peaks of a wave."}, {"term": "Frequency", "definition": "The number of wave cycles that pass a point per second, measured in Hertz (Hz)."}]