周末的一天,我看到电视综艺节目里有人用树叶、水管、瓶子等生活中的小物件吹奏出了美妙的乐曲。那优美的声音一点也不亚于笛子、葫芦丝等乐器发出的声音。我很好奇,问妈妈这是为什么。妈妈说:“我们一起动手试一试吧!”我们找来一些吸管,将吸管的一头用力咬扁,然后使劲吹,就可以发出声音。逐一剪短吸管,随着吸管长度的变化,声音会出现高低变化,就像笛子的不同音域一样。在妈妈的帮助下,我通过查找资料,弄清了其中的原理。原来,吸管被咬扁后, On weekends, I saw someone singing beautiful songs on the TV variety show with small objects such as leaves, pipes and bottles. That beautiful voice is no less than the flute, Hulusi and other musical instruments issued by the sound. I am curious, asking why this is mom. Mom said: “Let's try it! ” We got some straw, bite the straw straight one end, and then blow hard, you can make a sound. Cut short straw one by one, with the changes in the length of the straw, the sound will appear changes in height, just as different flute the same. With the help of my mom, I found out the principle by looking up the data. It turned out that the straw was bite flat,