科学教育的课外活动是联接课堂与大自然的纽带,是学生由自然走进课堂,由课堂走向自然的向导。根据时间不同,可分为课前活动与课后活动。课前活动的目的是为课堂探究知识作准备,活动要围绕课堂教学的方方面面展开。一、课前接触各种实物,对实物初步感知课前让学生充分接触实物, Extracurricular activities in science education is a link between the classroom and nature, and a guide for students to walk naturally into the classroom from the classroom to the nature. According to different time, can be divided into pre-class activities and after-school activities. The purpose of pre-class activities is to prepare for the exploration of knowledge in the classroom, activities should be conducted around all aspects of classroom teaching. First, contact with a variety of physical before class, the initial perception of the kind to make full contact with students in kind before class,