课外小实验作为课堂教学的延伸,应与科学学科教学相互补充相互促进。结合教学实际,论述了课外小实验设计的几个关键点,及在培养、提升学生科学素养的作用。 Extracurricular small experiment as an extension of classroom teaching, science and science should complement each other to promote each other. Combined with the teaching practice, this paper discusses several key points in the design of small experimental extracurricular activities and the role of training and enhancing students’ scientific literacy.