推荐回答（1个）
（章数是接上学期的）
第六章 电压 电阻
一、电压
二、探究串、并联电路电压的规律
三、电阻
四、滑动变阻器
第七章 欧姆定律
一、探究电阻上的电流跟两端电压的关系
二、欧姆定律及其应用
三、测量小灯泡的电阻
四、欧姆定律和安全用电
第八章 电功率
一、电能
二、电功率
三、测量小灯泡的电功率
四、电与热
五、电功率和安全用电
六、生活用电常识
第九章 电与磁
一、磁现象
二、磁场
三、电生磁
四、电磁铁
五、电磁继电器 扬声器
六、电动机
七、磁生电
第十章 信息的传递
一、现代顺风耳--电话
二、电磁波的海洋
三、广播、电视和移动通信
四、越来越宽的信息之路
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