Ключевые слова: attract, background, blue, concept, dust, education, effort, equipment, experiment, field, filings, force, gravity, horseshoe, induction, iron, isolated, lab, laboratory, learn, magnet, magnetic, magnetism, metal, nature, north, object, one, pattern, physics, polarity, powder, power, red, research, school, science, scientific, shape, south, strength, study, top, view, white,