素质教育的核心是培养学生的创新意识、创新能力,而学生的动手能力则是创新能力的重要组成部分。学生动手能力的高低不仅关系到个人的生存和个性的发展,而且也与社会的进步、科技的发展有着密不可分的关系。因此,在实验教学中,教师要通过规范操作和科学地指导学生动手操作、观察,启发学生思考,动手与动脑相结合,有计划、有目的地培养学生的动手能力。一、教师规范演示是培养学生动手能力的前提 The core of quality education is to cultivate students ’sense of innovation and ability to innovate while students’ ability to practice is an important part of their ability to innovate. The level of practical ability of students is not only related to the individual’s survival and development of personality, but also has an inseparable relationship with the progress of society and the development of science and technology. Therefore, in the experimental teaching, teachers should standardize the operation and scientifically guide the students to operate, observe, inspire students ’thinking, hands-on and brains combined, and plan to develop students’ practical ability. First, the teacher standard demonstration is a prerequisite for training students ability