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某同学做实验时得到如图所示温度随时间变化的图象根据图象回答1该图象是凝固凝固图象此物质是晶体晶体．2根据图象可知该物质名称是冰冰 Template






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tomski某同学做实验时得到如图所示温度随时间变化的图象根据图象回答1该图象是凝固凝固图象此物质是晶体晶体．2根据图象可知该物质名称是冰冰 coloring
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某研究性学习小组做“水的体积随温度变化 的实验时得到如图所示的图象分析图象可知水在4℃时密度 A．最大B．不变C．和其他温度时相同D sketch template
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某同学做实验时得到如图所示温度随时间变化的图象根据图象回答1该图象是凝固凝固图象此物质是晶体晶体．2根据图象可知该物质名称是冰冰 sketch template
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某同学做实验时得到如图所示温度随时间变化的图象根据图象回答1该图象是凝固凝固图象此物质是晶体晶体．2根据图象可知该物质名称是冰冰 sketch template
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八年级同学做“探究水沸腾时温度变化特点 的实验如图所示1由图甲可知实验操作中存在的错误是 2加热过程中某一时刻A组同学测出的水温 sketch template
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在广州市北部山区某中学的课堂上做“观察水沸腾 的实验时甲乙两位同学分别用如图a如图b两套器材来进行实验．1两位同学用测量的数据绘制 sketch template
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小李在“探究物质熔化规律”实验中，所用装置如图甲所示。在安装器材时应按照选填（“从上到下”或“从下到上”）的顺序安装器材；从图乙可知物质在 sketch template
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题目某小组在做“探究水的沸腾 实验时实验装置如图甲所示时间/min012345678 温度/℃9094969899999999 1 sketch template
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题目在“观察水的沸腾 实验中 1如图所示是小明同学用温度计测小烧杯中水的初温时的操作图．A是操作过程B是读数过程C是读取的温度 sketch template
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小智用如图乙所示的装置对某种物质加热，他每隔相同的时间就记录一次温度计的示数，并观察物质的状态。图丙是他根据记录的实验数据绘制的温度﹣时间图像。 sketch template
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某班同学分组做“探究水沸腾时温度变化特点 的实验中1A组同学用的是如图甲所示装置他们测出的水温将偏 2图乙是B组同学在实验某时刻 sketch template
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某小组在做“探究水的沸腾 实验时实验装置如图甲所示．时间/min012345678 温度/℃9l9395979999999999 1图甲 sketch template
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如图甲所示是探究萘的熔化和凝固的实验装置小文根据实验中得到的数据绘制了温度随时间变化的图象如图乙所示．1他用温度计测量萘在加热过程中的 sketch template
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在“观察水的沸腾 实验中1如图1所示是小明同学用温度计测小烧杯中水的初温时的操作图．A是操作过程B是读数过程C是读取的温度．A图 sketch template
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如图所示甲乙两图是某个同学做“水的沸腾 实验时观察到的现象其中能正确反映沸腾现象的是图 图丙是他根据实验数据作出的温度 时间图象从图 sketch template
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小智用如图乙所示的装置对某种物质加热，他每隔相同的时间就记录一次温度计的示数，并观察物质的状态。图丙是他根据记录的实验数据绘制的温度﹣时间图像。 sketch template
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物理研小组的同学做了下面的实验取500g水放在烧杯中然后点燃酒精灯通过石棉给烧杯里水加热并将温度计插在水中观察水温的变化得到如图所 sketch template
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题目小明和小红选用如图甲所示实验装置完成“观察水的沸腾 的实验水沸腾时继续加热温度计的示数保持不变撤去酒精灯后水慢慢停止沸腾 sketch template
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题目某小组在做“探究水的沸腾 实验时实验装置如图所示．回答下列问题1实验装置中的纸盖作用除了可以减 外还可以起到防止上升的水 sketch template
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小航用如图甲所示装置研究水的沸点．1根据实验数据得到温度 时间图线如图乙中实线a所示．从图乙中给出的信息们可以判断出实验时的大气压 sketch template
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小宇同学用如图甲所示的装置对冰加热．根据实验记录画出的温度随时间变化的图线如图所示．请你回答1图甲中温度计的示数为 ℃．2图乙中 段 sketch template
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题目如图甲是探究“水的沸腾 的实验装置当水温上升到90℃时每隔1min记录一次温度计的示数直到水沸腾5min后停止记录1如图甲 sketch template
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如图甲所示为小明同学“探究水沸腾时温度变化特点”的实验，请回答下列问题：刚开始时，烧杯内温度计的示数如图乙所示，此时温度计的示数为 sketch template
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题目在做“观察水沸腾 的实验时1小全同学用的是如图甲所示装置该装置中有一处明显错误请指出该错误是 2BC两组同学选用相同的 sketch template
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如图所示甲乙是小芳同学做“观察水的沸腾 实验过程中看到的气泡上升情况的示意图其中 图是沸腾时的情况丙图是她利用此实验中观察记录的数据作 sketch template
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实验小组的同学进行了如下实验：1用图甲所示的装置“探究冰熔化时温度的变化规律”。装有碎冰块的试管放在水中加热的目的是 。 sketch template
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小明“观察水的沸腾 时所使用的实验装置如图甲所示．1某时刻温度计的示数如图乙所示则此时温度计的示数是 ℃．2加热过程中小明现温度 sketch template
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如图所示甲乙是小芳同学做“观察水的沸腾 实验过程中看到的气泡上升情况的示意图其中 图是沸腾时的情况丙图是她利用此实验中观察记录的数据作 sketch template
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题目“观察水的沸腾 实验． 如图甲所示两名同学分别用完全相同的装置探究“水沸腾时温度变化的特点 绘制了ab两杯水温度随时间变化的图像 sketch template
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9． 在探究“物质的熔化特点”实验中， （1）如图甲所示，是小明根据实验数据作出的物质加热时温度随时间变化的图象．分析图象可知，知道该物质是 sketch template
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某研究性学习小组为了探究酶的特性，用某种酶进行了以下四组实验，实验结果如图所示，下列相关说法不正确的是 A．做图1所示的探究实验时不宜 sketch template
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探究水沸腾时温度变化的特点的实验根据实验数据绘出的图象如图1所示从中可以知道1水的沸点是98℃．2水在沸腾过程中加大了火力水 sketch template
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某同学做凸透镜成像实验当光屏距离凸透镜12厘米时现光屏上有一个清晰缩小的像凸透镜的焦距可能是 A 5厘米 B 10厘米 sketch template
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一般物体都有热胀冷缩的性质．在相同的受热条件下铜的膨胀程度比铁的膨胀程度大．将两个形状厚度相同的铜片和铁片铆在一起就可制成双属片如图甲 sketch template
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如图所示是探究冰和蜡的熔化过程的实验装置某实验小组的同学记录的数据如表所示并根据实验数据绘制了如图乙所示的图象．时间 sketch template
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题目某同学从暖瓶烧杯中倒入一些热水他想探究这杯水加热时“温度与时间的关系 ．1实验前该同学用温度计测量室内气温如图1甲所示 sketch template