实验题 适中0.65 引用4 组卷1547
(1)如图甲所示,圆形物体的直径时_____ cm,如图乙所示,秒表的读数为_____ s.
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/21efadf5-4fd9-415d-8bb5-e0b6293f0c1f.png)
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/9afaae46-bda0-4404-a57a-98db808385b4.png)
(2)如图甲所示,实心物体被绳子拉着浸没在水中,此时它受到___ 个力的作用;剪断绳子后该物体运动直至静止,请在图乙中画出浮力
随时间t变化的大致图象___ .
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/3db2a32b-92d6-4247-9742-bc1745eaa75a.png?resizew=88)
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/89356706-da42-4a09-bb33-2f69241779ad.png?resizew=147)
(3)利用太阳光测量两块凸透镜的焦距,请在图中的虚线框内设计测量焦距的实验记录表格____ .(物理量和单位均可采用文字或符号说明)
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/012735ce-9893-4c33-9182-06cf34377c4c.png)
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/21efadf5-4fd9-415d-8bb5-e0b6293f0c1f.png)
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/9afaae46-bda0-4404-a57a-98db808385b4.png)
(2)如图甲所示,实心物体被绳子拉着浸没在水中,此时它受到
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/3db2a32b-92d6-4247-9742-bc1745eaa75a.png?resizew=88)
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/89356706-da42-4a09-bb33-2f69241779ad.png?resizew=147)
(3)利用太阳光测量两块凸透镜的焦距,请在图中的虚线框内设计测量焦距的实验记录表格
![](https://img.xkw.com/dksih/QBM/2018/6/22/1972984803565568/1974352990248960/STEM/012735ce-9893-4c33-9182-06cf34377c4c.png)
2018·广东·中考真题
类题推荐
组卷网是一个信息分享及获取的平台,不能确保所有知识产权权属清晰,如您发现相关试题侵犯您的合法权益,请联系组卷网