ARE, ATTRACT, ATTRACTED, ATTRACTION, BALL, BALLS, CHARGE, CHARGED, CHARGES, CHARLES, CHEMISTRY, COULOMB, DEMONSTRATE, DEMONSTRATION, ELECTRIC, EXPERIMENT, FORCE, LAB, LABORATORY, LAW, LIGHTWEIGHT, OBJECTS, PARTICLE, PHYSICS, PICK, PITH, REPEL, REPELLED, SCIENCE, SMALL, THAT, UP, WELL, WINTERS,