实验1：用天平和量筒测定固体的密度

https://v.youku.com/v_show/id_XNTQ5NDY2OTQ0.html?spm=a2h1n.8251843.playList.5!20~5~A&f=19223803&o=1

实验2：探究通过电阻的电流与电阻的关系

https://v.youku.com/v_show/id_XNTQ5NDk5Njk2.html?f=19223803&spm=a2hje.13141534.1_2.d_1_3&scm=20140719.apircmd.240116.video_XNTQ5NDk5Njk2

实验3用电压表和电流表测电阻

https://v.youku.com/v_show/id_XNTQ5NTk4OTA4.html?spm=a2h1n.8251843.playList.5!18~5~A&f=19223803&o=1

实验4探究重力的大小与什么因素有关

https://v.youku.com/v_show/id_XNTQ5NjAxNTg4.html?spm=a2h1n.8251843.playList.5!17~5~A&f=19223803&o=1

实验5探究二力平衡的条件

https://v.youku.com/v_show/id_XNTQ5NjA1Mzg4.html?spm=a2h1n.8251843.playList.5!16~5~A&f=19223803&o=1

实验6测量小灯泡的电功率

https://v.youku.com/v_show/id_XNTQ5NjEwMDEy.html?spm=a2h1n.8251843.playList.5!15~5~A&f=19223803&o=1

实验7连接并联电路

https://v.youku.com/v_show/id_XNTQ5NjE0NDIw.html?spm=a2h1n.8251843.playList.5!14~5~A&f=19223803&o=1

实验8用电压表测量并联电路的电压

https://v.youku.com/v_show/id_XNTQ5NjIxOTM2.html?spm=a2h1n.8251843.playList.5!13~5~A&f=19223803&o=1

实验9探究并联电路中的电流

https://v.youku.com/v_show/id_XNTQ5NjMyMDA0.html?spm=a2h1n.8251843.playList.5!12~5~A&f=19223803&o=1

实验10用电压表测串联电路中的电压

https://v.youku.com/v_show/id_XNTQ5NjQzNTYw.html?spm=a2h1n.8251843.playList.5!11~5~A&f=19223803&o=1

实验11练习使用滑动变阻器改变电流

https://v.youku.com/v_show/id_XNTQ5NjU2MDg4.html?spm=a2h1n.8251843.playList.5!10~5~A&f=19223803&o=1

实验12探究串联电路中的电流

https://v.youku.com/v_show/id_XNTQ5NjY1OTQ0.html?spm=a2h1n.8251843.playList.5!9~5~A&f=19223803&o=1

实验13探究杠杆的平衡条件

https://v.youku.com/v_show/id_XNTQ5NzAzOTQ0.html?spm=a2h1n.8251843.playList.5!8~5~A&f=19223803&o=1

实验14正确使用刻度尺测量物体的长度

https://v.youku.com/v_show/id_XNTQ5NzI0MzYw.html?spm=a2h1n.8251843.playList.5!6~5~A&f=19223803&o=1

实验15探究凸透镜的成像特点

https://v.youku.com/v_show/id_XNTQ5ODE3MDky.html?spm=a2h1n.8251843.playList.5!4~5~A&f=19223803&o=1

实验16探究平面镜成像的特点

https://v.youku.com/v_show/id_XNTQ5ODE3MTA4.html?spm=a2h1n.8251843.playList.5!3~5~A&f=19223803&o=1

实验17练习使用弹簧测力计测量力的大小

https://v.youku.com/v_show/id_XNTQ5ODE3MDI0.html?spm=a2h1n.8251843.playList.5!5~5~A&f=19223803&o=1

实验19探究滑动摩擦力的大小与哪些因素有关

https://v.youku.com/v_show/id_XNTQ5ODI2ODk2.html?spm=a2h1n.8251843.playList.5!2~5~A&f=19223803&o=1

实验20用温度计测量水的温度

https://v.youku.com/v_show/id_XNTQ5ODI4MzQ0.html?spm=a2h1n.8251843.playList.5~5~A&f=19223803&o=1