我教了《琥珀》以后想到:如果让学生自己动手做一块人造琥珀那一定是很有趣味的事。我用松香和昆虫经过四、五次人造琥珀的试验后,就让学生动手做。学生选用优质松香加热熔化,用薄铁皮或铝皮做一个可展开的小铁盒(模具),将熔化的松香倒入薄薄的一层,然后将昆虫定位,再倒入较多的松香溶液。冷却后打开铁盒取出标本。这整块“琥珀”黄色透明,里面的小昆虫、小动物栩栩如生。学生选取的标本有小鱼、小虾、大 After I taught “Amber,” I thought it would be very interesting to have students make a man-made amber. I use rosin and insects after four or five artificial amber test, let the students do it manually. Students choose high-quality rosin heating and melting, with a thin metal or aluminum skin to do a small tin box (mold), the melted rosin into a thin layer, and then locate the insect, and then pour more rosin solution . Open the tin box after cooling and remove the specimen. This whole “amber” yellow transparent, small insects inside, life-like animals. Students selected specimens of fish, shrimp, large