一、要充分吃透教材、活用教材我认为在把握科学教材时,首先要很好地领会编者的编写意图,吃透教材内在的联系,找准课程标准与教材之间的切入点。把教材当作师生进行教学活动的素材,根据课程标准要求、学情、学校和教学资源的实际,结合学生的原有认知基础,对教材进行适当取舍和增减处理。一句话,教师把握教材、 First, we must thoroughly understand teaching materials, teaching materials I think in the grasp of science teaching materials, we must first well understand the compilation of the editor’s intent, thorough understanding of the teaching material, identify the standard between the teaching materials and entry point. Teaching materials as teachers and students to carry out teaching activities of the material, according to the requirements of the curriculum standards, learning conditions, schools and the actual teaching resources, combined with the students’ original cognitive foundation, the appropriate selection of teaching materials and increase or decrease. In short, teachers grasp the teaching materials,