This set of magnets is used in physical experiments in teaching. Teaching magnets are mainly used as teaching tools for experiments and demonstrations (primary school popular science experiment courses, middle school physics experiments). They can also be used in student stationery, children's toys, etc. It can not only let students intuitively feel the real existence and change of the magnetic field, but also express its physical characteristics concretely, vividly, and more importantly, it can arouse students' learning interest, concentrate their attention, and stimulate their thinking and imagination. This will greatly help students and children understand and perceive the magnetic field. Children can also use the principles of the N and S poles of the magnet repelling each other when they are the same and attracting each other when they are different to the Earth's magnetic field.
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