Vocabulary
, electric field, electric force, force, gravitational attraction, magnet, magnetic field, magnetic force
, magnetism, electromagnetism, magnets, magnetic field, metallic alloy, electrons, positive charges, negative charges, north magnetic pole, south magnetic pole, protons, polarization, attract, repel, electromagnets, electric current, contact force, non-contact force, magnets, electromagnet, electricity, magnetic field, magnetic force, attract, repel, north pole, south pole, contact force, non-contact force, atoms, protons, neutrons, electrons, friction, polarize, static charge, batteries, electric current, conductors, non-conductors, insulating materials, polarize