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小米粒欢快地跳着舞,小朋友们,快来围观哟。实验工具:空矿泉水瓶、剪刀、米粒、一卷保鲜膜、音箱实验过程:1.用剪刀把空矿泉水瓶的瓶颈和底部剪掉,空矿泉水瓶就变成了一个没有盖子和底部的圆台。2.用保鲜膜把圆台直径较小的一端包住,然后把一些米粒放到圆台内。3.把装有米粒的圆台靠近音箱的喇叭口。4.打开音箱,音乐声响起,米粒跟着音乐节奏跳跃起来,像在欢快地跳舞。
Millet cheerfully dancing, children, come onlookers yo. Experimental tools: empty bottles of mineral water, scissors, rice, a roll of plastic wrap, speaker Experimental process: 1. Empty bottle neck and bottom of the mineral water bottle cut with scissors, empty bottle into a bottle without a lid and the bottom of the round table. 2. Use plastic wrap to wrap the smaller diameter end of the round table, and then place some of the rice grains into the round table. 3. The round table fitted with rice near the speaker's bell mouth. 4. Turn on the speakers, the music sounds, and the rice leaps up to the rhythm of the music as if dancing in joy.