标本是人们认识大自然的立体照片,是研究大自然的生动书本和不可缺少的工具。找自制了“从蝌蝌到青蛙”的标本,并将标本运用到常识课“认识青蛙”的教学中去,引起幼儿极大的学习兴趣,使幼儿认识了青蛙有趣的变化过程,知道青蛙是有益动物,要保护它。同时也培养了幼儿的注意力、思考力和观察力,促进幼儿智力的发展。现简介如下: 一、选择 Specimen is a three-dimensional photo of people’s understanding of nature, is a vivid book of nature and an indispensable tool. Find a homemade “from the tadpole to the frog” specimens, and the specimen used to common sense class “know the frog” teaching, causing children’s great interest in learning, so that children understand the frog’s interesting process of change, that the frog is Useful animals, to protect it. At the same time, it also cultivates children’s attention, thinking and observation, and promotes the development of children’s intelligence. Now briefings are as follows: First, the choice