2000年4月21日,肆虐北京城的沙尘暴引起肺炎,夺去了我国小学科学教育的一代宗师、一位中国科学教育战线的保尔·柯察金顽强的生命。 然而,刘默耕老师并没有远行,他活在我国科学教育改革的征途之中。 50年前,默耕老师在纷飞的战火之中,用科学的乳汁哺育了新中国第一代栋梁之才。他的学生们忘不了他用蛋壳做的小船,用矿石制作的收音机,更忘不了从他的奇妙的科学课中所受到 On April 21, 2000, sandstorms that ravaged the capital city of Beijing caused pneumonia and claimed a generation of master science education in primary schools in our country. Paul Kochakin, a Chinese science education front, has a staunch life. However, Liu Mulang did not travel far, and he lived in the journey of science education reform in China. Fifty years ago, Menteng's teacher nurtured the first generation of new China with scientific milk. His students could not forget the boats he made with eggshells, the ore-made radios and even the memories of his wonderful science class