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一、丰富表象储备 表象是想象的材料,其数量和质量都直接影响学生的想象水平。为了扩大学生的知识经验,丰富他们的表象,教学中我注重了这两个方面:1.加强课本实验的对比性。要求做三个实验,增加一个光石板的含水量实验,同时这三个实验的器材要统一;操作时步骤也要一致,以形成鲜明的表象对比。2.联系实际,到大自然中去实验。我们校园边正好有一个大沙堤,因为经常被人取土,形成了一边是被植被覆盖,一边却裸露着的自然环保实
First, the rich appearance of the image of the imagination is the material, the quantity and quality of students directly affect the level of imagination. In order to expand students' knowledge and enrich their appearance, I pay attention to these two aspects in teaching: 1. To strengthen the comparison of textbook experiment. Demands to do three experiments to increase the moisture content of a photolithography experiment, at the same time, the three experimental equipment to be unified; operation steps should be the same, in order to form a sharp contrast. 2. Contact with the reality, to experiment in nature. We just had a large sand bank on the campus, because people often get soil, formed on one side is covered by vegetation, while the bare side of the natural environment is really