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一、实验材料的更新实验材料是科学探究教学的基础,也是开展好科学探究活动的前提条件,因此,实验材料的准备是科学课堂教学的关键。平时教学中的实验材料有些来自学校实验室,有些来自社会市场,有些来自学生家庭,但也有一些材料在自己周围很难找到,这时我们往往可以求助于网络。一些网站通常可以为我们找寻到我们所需要的大部分材料。比如,在苏教版科学四年级教材中有关于“养蚕”的单元,但由于社会的演变、时代的发展,在当地已经很难找到养蚕所需的材料了,这时我们可以借助淘宝等购物网站,你
First, the experimental material update Experimental material is the basis of scientific inquiry teaching, but also to carry out a good scientific inquiry activities of the prerequisite, therefore, the preparation of experimental materials is the key to scientific classroom teaching. Some of the usual experimental materials for teaching come from school laboratories, some from the social market, some from student families, but some are hard to find around them, and we tend to turn to the internet. Some websites usually find most of the materials we need for us. For example, there is a unit about “sericulture” in the fourth grade textbook of the Sujiao edition, but because of the social evolution and the development of the times, it is very hard to find the material for sericulture in the local area. Then we can With Taobao and other shopping sites, you