在我们做实验时,由于方法不同或措施不当都会导致测量过程中难以

在我们做实验时,由于方法不同或措施不当都会导致测量过程中难以观察到现象或测量结果不准确。请在下面的表格中写出遇到问题时你的做法。

1探究光反射时的规律:

实验时发现平面镜内棋子所成的像比较暗,看不清楚。要使像看得更清楚,你的做法是:

____________________________________

2)探究红外线的存在:

为了让这个实验现象更明显,我们采取的方法是:____________________________________      

3研究充水玻璃管中气泡的运动规律

为了判断气泡是否做匀速直线运动,需要测量气泡运动的路程和时间,为便于测量,应使气泡在管内运动得较           (选填“快”或“慢”)

答案

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