人教版五年级下科学一道题目。急急急。最好能在端午节假期结束前回答。
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2011\u5e74\u7aef\u5348\u8282\u653e\u5047\u5b89\u6392\uff1a
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2011\u5e74\u5168\u5e74\u653e\u5047\u5b89\u6392\uff1a
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\u53c2\u8003\u6765\u6e90\uff1ahttp://www.gov.cn/zwgk/2010-12/10/content_1762643.htm
材料：红色染料百分之95的酒精，水浴锅，冰块，50毫升的玻璃容量瓶，金属温度计若干
方法 ：将红色染料的酒精加入50ml的容量瓶里至瓶颈约四分之一处，并记录室内温度，放入装冰水的水浴锅里并做好液面刻度，加热
现象：水沸腾时看是否在100摄氏度左右， 冰水混合物看是否在0摄氏度左右 ，把两个温度之间分成一百等份， 看与刻度分度是否差不多
结论：以上满足后则证明，温度计中的酒精会热胀冷缩 ，温度计能测量温度
苏教
绛旓細閮藉彲浠ャ傜瀛--绔圭瓘 閾侊紝閾濆悎閲--杞埞 姗＄毊--姗＄毊鑹 鏈ㄥご--鏈ㄨ埞
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