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1.充分做好课前准备。实验材料的充分准备,是上好实验课的前提和关键。农村学校没有城市学校优良的资源,但我们可以利用农村的自然资源优势,到大自然中去考察。根据教材内容的需要,有目的的组织学生到田野去观察土壤成分、保水性及农作物的生长情况,到田园里观察植物,如香菜、芹菜、大葱、韭菜等的根、茎、叶、
1. Fully prepared before class. The full preparation of experimental materials, is a good experiment on the premise and the key. Rural schools do not have the excellent resources of urban schools, but we can take advantage of the natural resources of rural areas to study nature. According to the needs of the textbook content, purposely organize students to the field to observe the soil composition, water retention and crop growth, to observe the plants in the garden, such as parsley, celery, green onions, leeks, roots, stems, leaves,