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某物理小组的同学用如图1所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 Template






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sketch 3365 Igor by Johan Kennet Espinoza Moreno
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sketch 3547 Lady in red Toky Niaina Randrianarisoa

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tomski某物理小组的同学用如图1所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 coloring
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某物理小组的同学用如图1所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 sketch template
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某学习小组的同学对实验室制取二氧化碳及二氧化碳的性质进行如下两个方面的探究。Ⅰ二氧化碳的制取第一小组用如图所示的装置制取二氧化碳并测定生成 sketch template
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某物理小组的同学用如图1所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 sketch template
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物理实验小组用如图1所示的装置探究“水的沸腾”实验： 1实验小组观察到水沸腾前和水沸腾时水中气泡的情况如图2所示，图中 选填“甲”或“乙 sketch template
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水沸腾时气泡的变化 沸腾时气泡 随意优惠券 sketch template
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某物理小组的同学用如图甲所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 sketch template
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某小组同学在探究“水内部压强的大小与哪些因素有关 的实验中取了一空料瓶在离瓶底等高处扎了两个小孔放在水槽中如图所示．请仔细观察水槽中的 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某物理兴趣小组的同学用煤炉给l0kg的水加热同时他们绘制了如图所示的加热过程中水温随时间变化的图线．若在6min内完全燃烧了2kg sketch template
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13．某物理兴趣小组做了如图所示的实验来探究影响浮力大小的因素．1物体浸没在水中时受到的浮力是1N2物体浸没在酒精中时排开酒精的重力 sketch template
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某物理兴趣小组利用如图甲所示的装置进行验证动量守恒定律的实验．在足够大的水平平台上的A点放置一个光电门水平平台上A点右侧擦很小可忽略不计 sketch template
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某物理小组的同学用如图1所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 sketch template
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某物理小组的同学用如图甲所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如表所示时间 sketch template
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某物理小组的同学用如图甲所示的装置来研究水的沸腾．从点燃的酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 时间 sketch template
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题目某物理兴趣小组的同学用如图甲所示的装置来研究水的沸点．1图中是“研究水的沸点 实验如图乙中AB所示其中 图是水沸腾时的气泡的 sketch template
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某兴趣小组的同学用如图所示装置研究有关电化学的问题．当闭合该装置的电键时观察到电流表的指针生了偏转．请回答下列问题1甲装置的名称是 sketch template
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某物理小组的同学用如图9所示的装置来研究水的沸腾．从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示时间 sketch template
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题目实验小组的同学们利用如图所示的装置进行电学实验的复习实验中使用的小灯泡上标有“22V 字样实验过程中的有关证据记录如表实验次数 sketch template
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某物理课外实验小组对照明灯具的光与热问题产生了兴趣．在老师的指导下他们设计实验方案并进行了探究选用两个如图1所示的相同密封盒子将 sketch template
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酒精灯是实验室中常用的加热仪器某小组同学对酒精灯火焰温度进行如下探究．Ⅰ定性研究甲同学取一根火柴梗．拿住一端迅速平放入酒精灯火焰中1 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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题目小梦和小阳两组同学选用相同的实验装置“探究水沸腾时温度变化的特点 并根据实验数据绘制出如图乙所示的温度与时间关系的图像1实验 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实验兴趣小组的同学在探究“影响物体重力大小的因素 实验中进行了如图所示的实验探究把钩码逐个挂在弹簧测力计上分别测出它们受到的重力 sketch template
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题目某物理兴趣小组的同学用如图甲所示的装置来研究水的沸点．1如图乙中AB所示其中 图是水沸腾时的气泡的变化情况当水温升到90 sketch template
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某中学物理兴趣小组在探究“电流与电阻的关系 的实验过程中小明选择了5Ω10Ω20Ω25Ω五个电阻进行实验电路图如图甲所示1请用 sketch template
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某物理兴趣小组的同学们在研究水的沸腾现象：（1）如图甲所示为该实验的装置，在安装时应先调整固定 （选填“A”或“B”）的位置；（2）同学们观察 sketch template
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题目某物理小组的同学用如图所示的装置来研究水的沸腾从点燃酒精灯加热开始计时当液体中有气泡上升时每隔1min记录水的温度如下表所示 sketch template
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某同学用如图所示的装置进行可燃物燃烧条件的实验探究下列说法不正确的是 A．不通空气时冷水中的白磷不燃烧B．通空气时冷水中的白磷不 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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物理兴趣小组的同学用图甲所示的装置来提升重物M图乙是物体上升过程某段时间内的s T图线已知物重1N闭合开关后在4s 8s这段时间内 sketch template
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物理实验小组的同学利用如图所示的装置在杠杆支点的两边分别挂上钩码来探究杠杆的平衡条件．1如图甲所示为使杠杆在水平位置平衡应将右端的 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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某化学兴趣小组的同学对一份固体样品进行了探究．通过实验已确定该样品由氧化铁和铁粉混合而成．他们称取了136g固体样品用图1所示的装置进行 sketch template
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题目某化学兴趣小组的同学用如图1所示的装置测定空气中氧气的含量请回答下列问题1装置中电热棒的作用是 2燃烧匙中红磷燃烧的主要 sketch template