八年级物理上册第三章第一节温度实验报告单(新版)新人教版.doc

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1实验报告单想想做做一:感受水的冷热程度方法:每组选两名同学,一位同学把手放入 1 号杯的水中,另一位同学把手放入 2 号杯的水中,各数 5秒钟,再同时拿出放入水槽中,判断一下水槽中水温如何?现象:1 号杯中水比较 2 号杯中水比较 水槽中的水比较 结论: 想想做做二:自制温度计方法: 将小瓶先放入热水中,观察细管中水柱的位置,然后把小瓶放入冷水中,放置一会儿,观察水 柱的位置?现象: 在热水中,液柱 在冷水中,液柱 结论: 自制的温度计是根据 道理来测量温度的。实验:用温度计测水的温度方法:用手估测一下热水的温度,然后用温度计实测一下温度,将数据记录下来。估测的温度: 测量的温度:

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