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没有放大镜也可以把物体放大,有这样的好事?那就试试吧!1、你得准备:大碗一只,玻璃球几粒,保鲜膜一张,水。2、我们一起来做实验:把彩色玻璃球放在碗里,用保鲜膜把碗封住。再轻轻地把保鲜膜往下去一些,使它成为一个倒锥形。将水倒在保鲜膜上,透过水看碗中的彩色玻璃球,发现大了好几倍。3、原来如此
There is no magnifying glass can also enlarge the object, there is such a good thing? Then try! 1, you have to prepare: a bowl, a few glass beads, plastic wrap, water. 2, we work together to experiment: the colored glass balls in the bowl, sealed with plastic wrap the bowl. Then gently wrap the plastic wrap down to make it an inverted cone. Pour the water on the cling film, looking through the water to see the colored glass balls in the bowl, found several times larger. 3, so it is