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复习的任务是,要使学生对学过的知识有较系统更深入地理解和巩固的记忆。现将我用展览的方式组织学生亲自动手动脑复习生物学的体会和具体做法介绍如下。 (一)展品(教具)的准备:1.学生的作业,由教师照教材的根、茎、叶、花的形态等内容分别安排给不同的学生制作。2.教师制作了用电动演示的“电子显微镜下的植物细胞”的立体模型和活动幻灯片。3.抽按排劳动的班级中会面的学生绘制细胞分裂(有丝和减数)、双受精、荠菜的胚胎发育、苔类生活史的活动图片。4.实验室的标本、模型。5.由教师拟好与教具有
The task of review is to make students have a more systematic and deeper understanding and consolidation of learned knowledge. Now I use the way the exhibition organized students to personally brain review biology experience and specific practices are as follows. (A) exhibits (aids) preparation: 1. Students’ homework, by the teacher according to teaching materials, roots, stems, leaves, flowers and other content were arranged for different students. 2. The teacher produced a three-dimensional model of “plant cells under the electron microscope” and an activity slide using an electric demonstration. 3. Draw a row of students in the class meeting to draw pictures of the activities of cell divisions (filaments and subtractions), double fertilization, embryo development of shepherd’s purse, life history of the moss. 4. Laboratory specimens, models. 5. Prepared by the teacher and teaching there