小学自然课是对儿童进行科学启蒙的重要学科。在这门学科里有大量的动手、实验、制作等实践内容,精心设计、制作具有科学性和趣味性的教具和学具,是教好这门课的重要因素之一,也是促进儿童兴趣发展和思维能力的重要手段之一。我在教学《小 Primary school nature class is an important discipline for children's scientific enlightenment. There is a great deal of hands-on, experimenting, producing and other practical contents in this discipline, and elaborate designing and producing aids and learning tools with scientific and interesting features are one of the important factors in teaching this course. It is also to promote the development of children's interest And one of the important means of thinking ability. I am teaching "small