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“科学声音-萤火之地”三年级上册视频网址:
https://www.29294.com/press/1343399608633794560/book/1343399357734723584
第一单元 水
第一课 水到哪里去了
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399357785055232/class/1343399357826998272
第二课 水沸腾了
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399357785055232/class/1343399357877329920
第三课 水结冰了
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399357785055232/class/1343399357919272960
第四课 冰融化了
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399357785055232/class/1343399357969604608
第五课 水能溶解
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399357785055232/class/1343399358015741952
第六课 加快溶解
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399357785055232/class/1343399358061879296
第七课 混合与分离
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399357785055232/class/1343399358108016640
第八课 他们发生了什么变化
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399357785055232/class/1343399358154153984
第二单元 空气
第一课 感受空气
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358200291328/class/1343399358246428672
第二课 空气能占据空间吗
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358200291328/class/1343399358292566016
第三课 压缩空气
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358200291328/class/1343399358338703360
第四课 空气有质量吗
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358200291328/class/1343399358380646400
第五课 一袋空气的质量是多少
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358200291328/class/1343399358443560960
第六课 我们来做“热气球”
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358200291328/class/1343399358489698304
第七课 风的成因
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358200291328/class/1343399358540029952
第八课 空气和我们的生活
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358200291328/class/1343399358586167296
第三单元 天气
第一课 我们关心天气
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358632304640/class/1343399358678441984
第二课 认识气温计
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358632304640/class/1343399358724579328
第三课 测量气温
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358632304640/class/1343399358770716672
第四课 测量降水量
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358632304640/class/1343399358816854016
第五课 观测风
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358632304640/class/1343399358862991360
第六课 观测云
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358632304640/class/1343399358909128704
第七课 整理我们的天气日历
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358632304640/class/1343399358955266048
第八课 天气预报是怎样制作出来的
https://www.29294.com/press/1343399608633794560/book/1343399357734723584/unit/1343399358632304640/class/134339935900559769
郭建军