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初二学生学习了浮力的知识以后 ,可以从课堂内外结合的总体考虑 ,从适应学生的生理、心理特征出发 ,开展系列综合实践活动 :( 1 )收集资料 ,举办主题讲座“我国造船业的回顾与展望” ;( 2 )组织参观造船厂、船舶研究中心 ,互相交流体会 ;( 3)开展制作潜艇模型活动 .1 收集资料
After studying the buoyancy knowledge, students of the 2nd grade can start from the inside and outside the classroom by considering the physical and psychological characteristics of the students and carry out a series of comprehensive practical activities: (1) Collecting materials and holding the theme lecture "A review of China’s shipbuilding industry And prospects; (2) To organize visits to shipyards and ship research centers to exchange experience; (3) To develop submarine modelling activities.1 Collect data