2001年以来,科学课随着课改大潮逐渐在全国铺开,许多实验区的老师率先成为科学课的执教者。在各种讨论和交流中,常听到一些实验区的老师发出执教科学课的感慨。略加归拢,不外乎以下几点:1.学生主体地位更加明显了;2.教师教学理念转变了;3.教学时间开放了;4.教学空间开放了;5.对 Since 2001, the science class has gradually spread throughout the country with the tide of curriculum reform. Many teachers in the experimental area took the lead in becoming science coaches. In various discussions and exchanges, it is often heard that some teachers in experimental areas have sent out their feelings about teaching science. Slightly add up, nothing more than the following points: 1. The student body became more prominent; 2. The teaching idea of ​​teachers changed; 3. The teaching time was open; 4. The teaching space was open;