小学自然教学,应当注重教学生学会看书,学会实验、学会观察、学会思考。 例如:五年级《叶的光合作用》一课,一上课我对学生说:一颗种子发芽之后,会逐渐长成一棵高大的植物,植物长身体的养料是从哪里来的?几千年来,人们一直认为植物需要的养料是从土壤来的,随着科学的发展,这个问题引起许多人的怀疑,为了弄清这个问题,三百多年前, Primary school natural teaching, should pay attention to teaching students learn to read, learn to experiment, learn to observe, learn to think. For example: the fifth grade “leaf photosynthesis” class, a class I said to the students: a seed germination, it will gradually grow into a tall plant, plant long body nourishment is come from? For thousands of years , People always think that plants need nutrients from the soil, and with the development of science and technology, this issue has aroused the suspicion of many people. To understand this problem, three hundred years ago,