教科版—五年级科学下册配套光盘视频 观察水在加热过程中的变化的步骤 观察水沸腾的现象并记录下来 观察记录水在加热过程中的变化 观察水的变化现象 五下科学观察水加热时的变化现象 观察水加热时的变化现象实验结论 观察水的沸腾声音的变化 观察水的体积变化 观察水蒸气的变化 实验观察水的自然变化 第四单元:观察水加热时的变化
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我来说两句