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河北省宣化中学自然科学教学研究组的教师,几年来依靠全校师生密切联系群众,制作和搜集动物、植物、物理、化学、生理的标本、仪器、模型、挂图共六百七十多件。这些教具在贯彻直观教学原则,提高教学效果上发挥了显著的作用。教师们制作这些教具,除购买一部分材料外,还利用了不少废物。按照各仪器厂的价目表核算,估计给国家节约一千四百多元。几年来这个教学研究组同群众建立了紧密的联系,有些农民捉住乌兽就送
In recent years, teachers and teachers of the teaching and research group of Xuanhua Middle School in Hebei Province have relied on teachers and students in the school to make close contact with the masses and make and collect over 670 specimens, instruments, models and charts of animals, plants, physics, chemistry and physiology. These teaching aids have played a significant role in implementing the principles of visual teaching and improving teaching effectiveness. Teachers make these aids, in addition to buying some of the materials, but also use a lot of waste. In accordance with the price list of the instrument factory accounting, estimated to save the country more than 1,400 yuan. Over the past few years, this teaching and research group has established close ties with the masses and some peasants have taken the beast