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我们利用用过的塑料蜡丸中药盒、塑料眼药水瓶、硬泡沫塑料以及薄彩色塑料板和细铁丝等为材料,制作了多种生物教学模型,经使用效果不错,现将其中几例介绍如下。1.念珠藻模型的制作将塑料蜡丸中药盒的表面蜡层去掉,用解剖针或锥子在药盒上打孔。在一根细铁丝上穿一串小号的,再穿一个大号药盒的一半,并将铁丝打结以免药盒滑脱。另取一根细铁丝,先打好结,穿上大药盒的另一半,再穿上一串小药盒,再穿上半个大药盒,……。如此重复几次,将大药盒扣上,念珠藻模型就大体做成了。其中大药盒
We made use of the used plastic wax pill Chinese medicine box, plastic eye drops bottle, rigid foam plastic and thin colored plastic sheet and thin wire as the material, produced a variety of biological teaching model, the use of good results, now a few of which are described below . 1. Production of nostoc model Remove the wax layer on the surface of the Chinese medicine box of plastic wax pills and punch holes in the medicine box with a dissection needle or a cone. Wear a string of trumpets on a thin wire, and then wear half a large kit, and tie the wire to avoid spondylolisthesis. Another take a fine wire, hit the first knot, put on the other half of the kit, then put on a bunch of small kit, then put on half a kit, ... .... So repeated several times, buckle the big box, the nostalgia model is generally made. One of the big kit