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如图是小红同学探究影响斜面机械效率因素的实验装置．实验准备的器材有三个质量不同的木块a三条粗糙程度不同的长木板b三个高度不同的长方体铁块 Template






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sketch 3814
sketch 2588 Buble by sketchmaster
sketch 3032 Batman by Aaron Bahary
sketch 2423
sketch 1953 愛鼠繪
sketch 3567 Worried Girl by Juvenilia Alexandrino
sketch 4221 Moi.
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sketch 3404 Terminator by Enrique L. Manly
sketch 4835 L from Death Note by Adidtzu Ady
sketch 970 Depression
sketch 3613
sketch 2588 Buble by sketchmaster
sketch 5219 Zayn Malik by Amila Madhushanaka





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tomski如图是小红同学探究影响斜面机械效率因素的实验装置．实验准备的器材有三个质量不同的木块a三条粗糙程度不同的长木板b三个高度不同的长方体铁块 coloring
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在探究“影响浮力大小的因素 这一问题时班里的“物理小博士 为同学们做了如图所示的一系列实验．请你从中选出一些图针对某一个因素进行探究并 sketch template
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如图是小明同学验证阿基米德原理的一个实验过程图1图中小明是通过 两个步骤测出了小石块所受的浮力．2小明同学利用上面实验中的器材和木块 sketch template
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如图所示是小明探究“影响浮力大小的因素”的实验过程及有关数据，已知ρ水=10×103kg/m3，g=10N/kg． 1由图、、所示 sketch template
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小致同学用下列器材探究“液体内部压强的特点”。 （1）他图甲的U形管内注入适量的红墨水，红墨水静止时，U形管两侧液面高度（选填“相同”或“不 sketch template
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如图是小明同学探究“水的沸腾 的实验装置．1为了节约能源适当缩短实验时间可以采取的措施有加盖 用温水2当水温上升到90 sketch template
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如图甲为小红同学“探究平面镜成像 的实验装置其中AB是两段相同的蜡烛C是平整的白纸E是玻璃板 1将点燃的蜡烛A放在玻璃板前观察 sketch template
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如图甲为小红同学“探究平面镜成像 的实验装置其中AB是两段相同的蜡烛C是平整的白纸E是玻璃板 1将点燃的蜡烛A放在玻璃板前观察 sketch template
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在“探究影响轮组机械效率的因素”实验中，某同学用如图20所示的同一轮组分别做了三次实验，实验数据记录如下： 实验次数 钩码重/N 钩码上升 sketch template
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如图是小红同学连接的实物电路．1请你在右边的方框内画出相应的电路图2开关闭合后小红现两块相同规格的双量程电流表的指针偏转的角度 sketch template
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小明同学在探究重力势能的大小与什么因素有关时，提出了如下猜想：猜想一：物体的重力势能与物体的质量有关猜想二：物体的重力势能与物体所在高度有关 sketch template
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如图是小明和小红为“比较不同物质的吸热能力 而设计的实验装置左右两装置除杯内分别装的是质量相等的水和柴油外其余都相同完成该实验还必需 sketch template
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32．某化学课外小组同学用如图所示实验验证质量守恒定律 1某甲同学用A装置探究质量守恒定律实验步骤如下 如图将烧杯放在天平上用砝码 sketch template
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小红同学在学完相关的学知识后设计了如图所示的装置对“铁钉生锈的条件 进行实验探究．1一段时间后观察到试管中的铁钉明显锈蚀由此得出 sketch template
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如图是小红同学探究影响斜面机械效率因素的实验装置．实验准备的器材有三个质量不同的木块A三条粗糙程度不同的长木板B三个高度不同的长方体铁块 sketch template
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如图是小红同学探究影响斜面机械效率因素的实验装置．实验准备的器材有三个质量不同的木块A三条粗糙程度不同的长木板B三个高度不同的长方体铁块 sketch template
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15．小红同学要测量额定电压为38 V小灯泡的功率． 1连接的不完整的实物电路如图甲所示．请用笔画线代替导线完成实物电路的连接． 2 sketch template
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20．小敏同学在探究影响浮力大小的因素时做了如图13所示的实验．请你根据小敏的实验探究回答下列问题 比较图一和图 说明浸在液体中的物体 sketch template
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小华同学做“探究凸透镜成像规律 的实验时根据记录的实验数据绘制出像距随物距变化的图线．如图甲所示1根据图甲可以知道小华实验中所用 sketch template
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小红同学在做“探究水沸腾时温度变化特点 的实验中 1如图所示她的操作存在错误请指出其中一个错误之处 2小红纠正所有错误后 sketch template
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3．下图甲是探究平面镜成像的实验装置关于这个实验 1应选择 来研究平面镜成像特点填“平面镜 或“平板玻璃 2观察像时会 sketch template
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如图所示，是某小组同学探究“压力作用效果”的实验。（1）该实验通过观察 来判断压力的作用效果不同。（2）从甲乙两图中可以现 sketch template
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如图所示是一种“闯红灯违规证据模拟记录器 的工作原理图光控开关接收到红绿灯出的红光时会自动闭合压敏电阻若同时受到车的压力其阻值变小 sketch template
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如图12 7是小红同学探究影响斜面机械效率因素的实验装置实验准备的器材有三个质量不同的木块A三条粗糙程度不同的长木板B三个高度不同的 sketch template
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题目郭胜男同学用如图所示的装置测定斜面的机械效率实验记录结果如下表实验次数斜面倾斜程度物体重量G/N斜面高度h/m沿斜面拉力F/N斜面 sketch template
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下图是小红同学在探究通过电阻的电流跟两端电压的关系时连接的实验电路小明同学在检查电路时现有两处不妥请指出小明同学认为不妥的理由 sketch template
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17．如图所示为某同学利用斜面研究抛体运动的示意图已知斜面AB的倾角为α＝45°高为h＝1 M．斜面的底端A处有一弹性射器射器可将小 sketch template
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如图是小红同学探究影响斜面机械效率因素的实验装置．实验准备的器材有三个质量不同的木块A三条粗糙程度不同的长木板B三个高度不同的长方体铁块 sketch template
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如图12 7是小红同学探究影响斜面机械效率因素的实验装置实验准备的器材有三个质量不同的木块A三条粗糙程度不同的长木板B三个高度不同的 sketch template
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实验分析：某同学用如图所示的实验装置测量小车从斜面顶部自由下时的平均速度，并将测得的几项数据填入下表． 百度教育 sketch template
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如图1是小红同学探究 通过电阻上的电流跟其两端电压和电阻的关系 的电路所用器材有电压恒为45V的电源阻值为5Ω10Ω20Ω的定值 sketch template
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如图是小红同学探究影响斜面机械效率因素的实验装置．实验准备的器材有三个质量不同的木块A三条粗糙程度不同的长木板B三个高度不同的长方体铁块 sketch template
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如图22所示下面是某同学做探究“斜面的机械效率与斜面的粗糙程度斜面的倾斜程度的关系 实验时得到如下实验数据．1此探究实验是采用了 的 sketch template
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某实验小学的同学们在探究“斜面的机械效率 实验时．用弹簧测力计沿斜面匀速上拉动物块收集了下表中的实验数据． 试验次数 斜面的倾斜程度 物块 sketch template
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24．小芳同学设计了一个高度可调节的斜面来探究斜面的省力情况斜面的机械效率与斜面的倾斜程度之间的关系如下图所示她首先测出小车重然后用 sketch template
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如图是小明同学测量斜面机械效率的实验装置．实验时用弹簧测力计拉着重为8N的木块沿斜面上做匀速直线运动弹簧测力计的示数如图所示．在这次实验中 sketch template