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某同学对蜡烛及其燃烧进行了如下探究．请填写下列空格1取一枝蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上．结论石蜡的密度比水 Template






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sketch 3448 Treba mi bolji
sketch 4605 Goku by Jayme Sousa
sketch 4176 Eye by Jawad Kallou
sketch 4868 Pokemons! by Ammed Hjb
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sketch 519 The Joker
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sketch 3779 RIP Hugo Chavez Joey Hyuuga





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tomski某同学对蜡烛及其燃烧进行了如下探究．请填写下列空格1取一枝蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上．结论石蜡的密度比水 coloring
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几位同学对蜡烛燃烧火焰的焰心进行了以下探究．请你完成其中的一些步骤1点燃蜡烛将小木条迅速平放入火焰中约1s后取出现象这证明焰心 sketch template
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某同学对蜡烛及其燃烧进行如下探究请你填写下列空格 1蜡烛是由 和 组成的蜡烛的颜色是 形状 硬度较 气是 蜡烛不溶于水 sketch template
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几名同学对蜡烛燃烧火焰的焰心进行了以下探究请你完成其中的一些步骤．1点燃蜡烛将一根小木条迅速平放入火焰中约1s后取出现象如图A所示 sketch template
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某同学对蜡烛的燃烧进行探究点燃一支蜡烛用一只烧杯倒扣在燃着的蜡烛上蜡烛燃烧片刻后熄灭如实验一．再点燃蜡烛然后吹灭看到烛芯产生 sketch template
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某同学对蜡烛及其燃烧进行了如下探究请填写下列空格 取一支蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上 结论石蜡的密度比水 sketch template
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某同学对蜡烛及其燃烧进行了如下探究．请填写下列空格1取一支蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上结论蜡烛的密度小蜡烛的 sketch template
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某同学对蜡烛及其燃烧进行了如下探究．请填写下列空格1取一枝蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上．结论石蜡的密度比水 sketch template
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某同学对蜡烛及其燃烧进行了如下探究．请填写下列空格1取一支蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上．结论石蜡的物理性质 sketch template
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某同学对蜡烛及其燃烧进行了如下探究．请填写下列空格．取一支蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上．结论石蜡的密度比水 ． sketch template
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化学兴趣小组的小明小刚小军等三位同学对蜡烛燃烧进行了如下探究探究一蜡烛火焰哪一部分温度最高．小明同学点燃一支蜡烛仔细观察蜡烛火焰的 sketch template
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化学兴趣小组的三位同学对蜡烛及其燃烧进行了如下探究．1贝贝取一支蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上．结论石蜡的密度比水 sketch template
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几位同学对蜡烛燃烧火焰的焰心进行以下探究请你完成其中的一些步骤1点燃蜡烛将一根小木条平放入火焰中约1秒后取出现象如图A这说明焰 sketch template
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化学兴趣小组的同学对蜡烛的燃烧进行了如下探究．1丽丽点燃蜡烛观察到火焰分为外焰内焰焰心三层．如图把一根火柴梗放在火焰中约1s后 sketch template
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某同学对蜡烛及其燃烧进行了探究．按要求填写下列实验现象及其结论．探究步骤对实验的观察和描述点燃前切一小块石蜡放入水中观察到的现象 燃着时 点燃 sketch template
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百度教育 sketch template
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九年级化学课本实验总结 知乎 sketch template
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几位同学对蜡烛燃烧火焰的焰心进行了如下探究请你完成其中的步骤 1点燃蜡烛将一根小木条迅速平放入火焰中约1s后取出现象如图B所示 sketch template
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小颖和小卓在课堂上对蜡烛燃烧的观察与探究感到意犹未尽回家后通过家庭小实验继续对蜡烛燃烧的火焰焰心进行了深入探究请你一起参与．1知识准备 sketch template
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关于蜡烛的实验探究小强是某班的小小化学家最对蜡烛产生了兴趣于是开始了系列实验．1点燃一支蜡烛观察到的现象有烛芯先燃烧蜡烛变软 sketch template
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对蜡烛及其燃烧的探究 实验报 范文118 sketch template
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化学兴趣小组的小明小刚小军等三位同学对蜡烛燃烧进行了如下探究探究一蜡烛火焰哪一部分温度最高．小明同学点燃一支蜡烛仔细观察蜡烛火焰的 sketch template
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英国学家法拉第在系列讲座中对蜡烛燃烧所涉及的知识进行了介绍．蜡烛燃烧的产物有哪些让们一起对蜡烛进行探究．提出问题蜡烛燃烧的产物有 sketch template
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兴趣小组对蜡烛燃烧实验进行了如下深入探究，请跟随小组一起来完成吧。 sketch template
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某同学对蜡烛及其燃烧进行了探究．点燃蜡烛取一根火柴迅速平放在火焰上1s后取出最外层处先变被碳化说明 温度最高．在火焰上方罩一个冷而 sketch template
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题目几位同学对蜡烛燃烧火焰的焰心进行了以下探究请你完成其中的步骤查阅资料一氧化碳能燃烧生成二氧化碳产生蓝色火焰1点燃一支白色 sketch template
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题目某同学对蜡烛及其燃烧进行了探究．其实验步骤有点燃蜡烛紧贴烛芯将火柴梗放入火焰中约1 秒后取出在火焰上方罩一个冷而干燥的小烧杯 sketch template
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某同学对蜡烛及其燃烧进行了如下研究．请填写下列空格1取一支蜡烛用小刀切下一小段放入水中看到蜡烛浮于水面．由此得出的结论是 2将 sketch template
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几位同学对蜡烛燃烧火焰的焰心进行了以下探究请你完成其中的步骤查 阅 资 料 一 氧 化 碳 能 燃 烧 生 成 二 产 sketch template
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某同学在做蜡烛燃烧的探究实验时用火柴去点蜡烛刚熄灭时的白烟现蜡烛又重新燃烧起来．他对白烟的成分做了以下推测你认为合理的是 A sketch template
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化学兴趣小组的同学对蜡烛及其燃烧进行了如下探究．1他们取一支蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上．结论石蜡的密度比水小 sketch template
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17．化学兴趣小组三位同学对蜡烛及其燃烧进行了如下探究 贝贝取一支蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上这说明石蜡难溶于水 sketch template
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某同学对蜡烛的性质进行如下探究．1取一支蜡烛用小刀切下一小块放入水中蜡烛浮于水面上由此说明蜡烛常温下为固体还可以说明蜡烛的其他 sketch template
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某同学对蜡烛及其燃烧进行了如下探究．请填写下列空格1取一支蜡烛用小刀切下一小块把它放入水中蜡烛浮在水面上．结论石蜡的物理性质 sketch template
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某同学对蜡烛及其燃烧进行了探究其实验步骤有 点燃蜡烛紧贴烛芯将火柴梗放入火焰中约1秒后取出 在火焰上方罩一个冷而干燥的小烧杯 用 sketch template
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某学习小组的同学对物质燃烧知识进行了整理和探究．请你一起参与1木炭燃烧实验木炭在氧气中燃烧的现象是 完全燃烧的反应文字表达式是 sketch template