随着课程改革的大潮汹涌而来,随着对新课标的深入学习,我也跃跃欲试地尝试用新的科学教育理念指导自然教学。学校使用的教材尚没有改变,在教二年级的《浮和沉》一课时,我设法搞到一本教育科学出版社的《科学》教材,其中也有这一课,觉得可以借鉴。新 With the tide of curriculum reform coming, with the in-depth study of the new curriculum standard, I also try my best to use the new concept of science education to guide the teaching of nature. The teaching materials used in the school have not changed. When I was teaching “Floating and Sinking” in the second grade, I managed to get a “Science” teaching material of Educational Science Press, which also had this lesson and I could learn from it. new