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随着新课程标准在全国实施,各个版本的实验教材都对浮力部分作了重大调整,难度下降了,删除了复杂计算题.经笔者对2004年38份各地中考物理试卷(含全国12个课改区)的统计,浮力题在各地试卷中出现的频率依然很高.今后中考物理浮力知识点的考查走向如何.一直是广大教师和毕业生思考的问题.笔者从2004年各地中考试题中选取典型题目加以评析,希望能给大家有所启发.
With the implementation of the new curriculum standards in the country, all versions of the experimental teaching materials have made major adjustments to the buoyancy part, the difficulty has dropped, and the complex calculation problems have been deleted. After the author’s 38 local physical examination papers in 2004 (including 12 national classes In the statistics of the district, the frequency of buoyancy questions appearing in various examination papers is still very high. The examination of physical buoyancy knowledge points in the future examinations has always been a question for teachers and graduates. The author selected from the 2004 midterm examination questions. Typical topics are reviewed and analyzed, hoping to give everyone inspiration.