Do a compass teaching design-textbook version of the third grade under the lesson plan

Make a compass 【Teaching Objective】 Scientific concept: steel needles can become magnetic needles after rubbing with magnets. Process and method: 1. The method of magnet rubbing steel needle to make magnetic needle. 2. North and South poles with self-made magnetic needles. 3. Design and make a compass. Emotional attitude values: Cultivate the interest of hands-on production and stimulate the creative spirit. [Educational focus] Use a magnet to rub the steel needle as a magnetic needle, and find a method that allows the magnetic needle to rotate horizontally. [Teaching Difficulties] Judging the north and south poles of self-made magnetic needles.

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