Ключевые слова: alignment, attraction, background, bar, blue, charge, classroom, concept, contrast, current, design, direction, education, electricity, electromagnet, energy, experiment, field, force, interaction, learning, magnet, magnetic, magnetic field, magnetism, metal, model, n, north, object, opposite, opposite force, physics, polarity, polarity symbol, pole, power, red, s, science, south, static, static charge, strength, symbol, theory, visual,