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《义务教育化学课程标准(2011年版)》明确指出:义务教育阶段的化学教育,要激发学生学习化学的好奇心,引导学生认识物质世界的变化规律,形成化学的基本观念;引导学生体验科学探究的过程,启迪学生的科学思维,培养学生的实践能力。化学是一门以实验为基础的科学,实验可以激发学生学习化学的兴趣,培养学生的科学探究能力。科学探究既是学生学习的内容目标,又是学习的方式。化学实验作为进行科学探究的主要方式,教师必须予以高度重视。一、实验观察——学生科学探究的基础对于初三学生来说,在“质量守恒定律”的学习过程中,
Compulsory Education Chemistry Curriculum Standard (2011 Edition) clearly states: Chemistry education in compulsory education phase, to stimulate students to learn chemistry curiosity, to guide students to understand the changing laws of the material world, the formation of the basic concepts of chemistry; to guide students to experience science inquiry The process of enlightenment of students ’scientific thinking, develop students’ practical ability. Chemistry is an experiment-based science. Experiments can stimulate students’ interest in chemistry and cultivate their scientific inquiry ability. Scientific inquiry is not only the content goal of students’ learning, but also the way of learning. Chemistry Experiments As the main way to conduct scientific inquiry, teachers must attach great importance. First, the experimental observation - the basis for student science inquiry For the first three days of students, in the “law of conservation of mass” learning process,