显微镜是利用凸透镜能将物体的影象放大的原理制成的,用来观察细微的物体。这种简易显微镜能放大50倍左右,可以用来观察蚊子的嘴、苍蝇的脚、水中的小浮游生物、植物叶表皮上的气孔和茎里的运输管道等。由于制作容易,只需把玻璃统一划好后发给学生,每个学生都可以自己制 Microscope is the use of convex lenses can enlarge the image of the object made of the principle used to observe the subtle objects. This simple microscope can be magnified about 50 times, can be used to observe the mouth of mosquitoes, flies feet, small plankton in the water, plant stomata on the leaf epidermis and stems of the transport pipeline. Because of the ease of making, just place the glass in the same place and send it to the students, and each student can make his own