新课程标准指出:“科学课程要面向全体学生,学生是科学学习的主体,科学学习要以探究为核心,科学课程应具有开放性。”“探究既是科学学习的目标,又是科学学习的方式,科学课程应向学生提供充分的科学探究机会。”对于科学课程的实施,标准也明确提出:“用丰富多彩的亲历活动充实教学过程,让探究成为科学学习的主要方式,树立开放的教学观念,充分利用现代教育技术。”由新课程标准的上述规定可知,在科学教学的整个过程中,学校应提供 The new curriculum standard states: “The science curriculum should be for all students, students should be the main body of science learning, science should be centered on inquiry, and science should be open.” “Inquiring is not only the goal of science learning but also the science The way of learning and the science curriculum should provide students with adequate opportunities for scientific inquiry. ”“ For the implementation of science curricula, the standard clearly states: ”enriching the teaching process with colorful and experienced activities makes inquiry a major way of learning science, Establish an open concept of teaching and make full use of modern educational technologies. "According to the above provisions of the new curriculum standard, in the whole process of teaching science, schools should provide