AND, BATTERY, BY, CELL, CHARLES, CHEMISTRY, CONDUCTION, CONDUCTIVITY, COPPER, DEMONSTRATION, EDUCATIONAL, ELECTROCHEMICAL, ELECTROCHEMISTRY, ELECTRODES, FRUIT, GALVANIC, INSERTING, INTO, IS, LAB, MADE, OBTAINED, OF, OVER, POTENTIAL, SCIENCE, VOLT, VOLTAGE, VOLTAIC, WATERMELON, WINTERS, ZINC,