新的课程标准和教材通篇体现出以人为本、尊重学生的基本理念,制定的课程目标从知识与技能、过程与方法、情感态度与价值观等三个纬度来充分体现“以提高学生的科学素养为主旨”的改革要求。课堂教学的有效性主要受学生、教师、内容和环境因素的制约,而且这些因素是互相交织在一起的。怎样实施有效教学,我认为要注意以下几点:一、转变教学思想转变教学思想,重在转变“教学观”“学生 The new curriculum standards and teaching materials embody the principle of putting people first and respecting students. The curriculum aims to fully reflect students’ scientific literacy from the three latitudes of knowledge and skills, processes and methods, emotional attitudes and values As the main theme of ”the reform requirements. The effectiveness of classroom instruction is mainly restricted by students, teachers, content and environmental factors, and these factors are intertwined. How to implement effective teaching, I think we should pay attention to the following points: First, change the teaching thinking to change the teaching thinking, focusing on changing the “teaching concept ” "students