小学科学课程的改革,由以“自然知识”为核心的性质转为“科学教育”的性质,经历了科学作为知识、科学作为过程、科学作为探究的三个发展阶段。从过去强调了解科学事实和信息变为强调了解科学概念和培养探究能力 The reform of science curriculum in elementary schools has changed from a nature centered at “natural knowledge ” to a “science education ”. It has experienced three stages of development of science as knowledge and science and science as inquiry. Emphasizing from the past that understanding scientific facts and information has become an emphasis on understanding scientific concepts and developing inquiry skills