初中语文《大自然的语言竺可桢》课件.ppt

.,5 大自然的语言,.5 大自然的语言,.,竺可桢（18901974），字藕舫，浙江上虞人。中国科学院院士，中国近代气象学家、地理学家、教育家。他是中国近代地理学和气象学的奠基者，是中国物候学的创始人。主要著作有物候学中国近五千年来气候变迁的初步研究等。,. 竺可桢（18901974），字藕舫，浙江上虞人。,.,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,翩然（ ） 孕育（ ） 风雪载途（ ）炎热（ ） 簌簌（ ） 物候（ ）农谚（ ） 连翘（ ） 悬殊（ ）纬度（ ） 经度（ ） 销声匿迹（ ）,pin,zi,yn,yn,hu,sh,s,yn,qio,wi,n,jn,.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才,.,词语解释,次第：依次。.翩然：动作轻快的样子。孕育：怀胎生育，比喻既存的事物中酝酿着新事物。销声匿迹：本义是不再公开讲话，不再公开露面。这里指昆虫无声无息、无影无踪。衰草连天：很多草枯黄败落的样子。载途：满路，有遍地的意思。,.词语解释次第：依次。.,.,周而复始：一次又一次地循环。草长莺飞：形容春天美好的情景。物候：生物的周期性现象与季节气候的关系。也指自然界非生物变化与季节气候的关系。悬殊：相差很远。观测：观察并测量（天文、地理、气象、方向等）。,.周而复始：一次又一次地循环。,.,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,认真读课文，完成任务： 1.理清文章的结构层次。 2.文章运用了什么说明顺序。,逻辑顺序,.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才,.,（13） 什么是物候和物候学。 （45） 物候观察对农业的意义。 （610） 物候现象来临的决定因素。（1112） 物候观测研究的意义。,文章结构,. （13） 什么是物候和物候学。文章结构,.,默读第一部分，回答下列问题：,什么叫物候？什么叫物候学？,草木枯荣、候鸟来去等自然现象，古代劳动人民称之为物候。 利用物候知识来研究农业生产的科学，叫物候学。,.默读第一部分，回答下列问题：什么叫物候？什么叫物候学？,.,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,朗读第一段，想一想：这一段主要描写了什么内容？按照什么顺序来描写的？,以优美生动的写景笔调描写了一年四季丰富的物候现象，给读者展现了一幅四季风景画。本段是按照四季的时间顺序来写的。表示时间的词语有“立春过后”“再过两个月”“不久”“于是转入”“到了秋天”“准备迎接”等，条理清晰。,.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才,.,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,果实成熟叶子变黄北雁南飞昆虫匿迹,衰草连天,冰雪融化草木萌发花次第开燕子归来布谷鸟来,孕育果实,大自然的语言,秋,夏,冬,春,.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才,.,秋天,春天,冬天,夏天,.秋天春天冬天夏天,.,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,第2段作者举杏花、桃花、布谷鸟三个例子时采用了什么修辞方法？有什么样的表达效果？,拟人。形象生动地写活了大自然中无比丰富的物候现象。增强了文章的生动性和可读性。,.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才,.,默读第二部分，回答问题：,物候观测对农业有什么重要意义？,物候观测的数据反映气温、湿度等气候条件的综合，也反映气候条件对于生物的影响，比较简便，容易掌握。可以广泛地运用在农业生产上。,.默读第二部分，回答问题：物候观测对农业有什么重要意义？,.,物候观测使用的是“活的仪器”，是活生生的生物。它比气象仪器复杂得多，灵敏得多。,这两句运用了什么说明方法？有怎样的作用？,作比较。说明了物候观测的重要特征是使用活生生的生物进行观测，并且这种观测要更复杂、更灵敏。,朗读句子，说一说：,. 物候观测使用的是“活的仪器”，是活生生的生物。它比,.,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,快速浏览第三部分，指出第610段的说明对象，并列出其说明顺序。,说明对象：决定物候现象来临的因素。 说明顺序：从空间差异写到时间差异，由主到次的逻辑顺序，即纬度（南北）差异经度（东西）差异高下差异古今差异。对物候的影响因素纬度最大，经度次之，高下差异又次之，古今差异最次。,.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才,.,南京桃花盛开时,北京桃花含苞待放,纬度对物候的影响（三四月间）,.南京桃花盛开时北京桃花含苞待放纬度对物候的影响,.,经度对物候的影响,济南苹果树四月中或谷雨节开花,烟台苹果树开花要到立夏,.经度对物候的影响济南苹果树四月中或谷雨节开花烟台苹果树开花,.,高下的差异对物候的影响,山顶和山下的差异,.高下的差异对物候的影响山顶和山下的差异,.,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,决定物候现象来临的因素有哪些？,纬度的差异,经度的差异,高下的差异,古今的差异,主要,空间,时间,次要,.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才,.,阅读文章最后一部分，概括研究物候学的意义。,预报农时，安排播种日期，安排农作物区划，确定造林和采集种子的日期；引种植物到气候条件相同的地区；避免或减轻害虫的侵害；便利山区的农业发展。,.阅读文章最后一部分，概括研究物候学的意义。 预报农时,.,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,引出什么叫物候和物候学,决定物候现象来临的因素,物候观测对农业生产的重要性,加强物候研究促进农业发展,研究物候学的意义,纬度差异,经度差异,高下差异,古今差异,大自然的语言,.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才,.,两个月前，在广州，看见了玉兰开花；两个月后，在北京，又看见玉兰开花。玉兰花呀，我说，你走得真慢哪！费了两个月工夫，你才到了京华。 郭沫若,.用物候现象解释诗人这句感叹：,.两个月前，在广州，看见了玉兰开花；.用物候现象解释诗人这句,.,雨中闻蝉叫，预告晴天到。蚯蚓路上爬，雨水乱如麻。泥鳅静，天气晴。猪衔草，寒潮到。 鸡迟宿，鸭欢叫，风雨不久到。燕子低飞蛇过道，大雨不久就来到。 龟背潮，下雨兆,2.搜集几则农谚，说说它们包含的物候知识。,.雨中闻蝉叫，预告晴天到。2.搜集几则农谚，说说它们包含的物,