Vocabulary
gravity, attract, mass, force, applied forces, contact force, non-contact force, distance, motion, strength, direction, push, pull, collide, collision, impulse, gravitational force, magnetic force, friction, position, orbit, Gravity, force, direction, strength, contact force, non-contact force, orbit, sphere, , atoms, nucleus, protons, neutrons, electrons, charge, magnetic field, electricity, electromagnetic force, orbit, electric current, circuit, battery, conductor, current, magnetic force, non-contact force, north pole, south pole, magnet, magnetism, closed loop system, attract, repel, insulating materials, filament, electromagnet, force, motion, direction, speed, push, pull, gravity, attract, mass, force, applied forces, contact force, non-contact force, distance, motion, strength, direction, push, pull, collide, collision, impulse, gravitational force, magnetic force, friction, position, orbit, Gravity, force, direction, strength, contact force, non-contact force, orbit, sphere, Gravity, force, direction, strength, contact force, non-contact force, orbit, sphere, gravity, non-contact force, atoms, nucleus, protons, neutrons, electrons, charge, magnetic field, electricity, electromagnetic force, orbit, electric current, circuit, battery, conductor, current, magnetic force, non-contact force, north pole, south pole, magnet, magnetism, closed loop system, attract, repel, insulating materials, filament, electromagnet