运营 来源:互联网 时间:2023-06-30 04:51:38
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1、1.提出问题 如何测出声音的速度? 2.猜想与假设 如果在一定距离内听到声音要多少时间? 3.实验步骤 步骤应该就是实施实验,第三是实验器材的话,就是要秒表. 4.实施实验 在一个山谷中,站在距离峭壁680M的地方大叫一声,同时按下秒表计时. 然后在听到第一声回声时按下秒表得到听到回声的时间. 5.结论 就是用距离680M*2除以时间就可以得出声音的速度了。
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