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演示实验是教师或部分学生参加的,为演示某些自然现象、自然规律等的活动。演示实验的基本方式是教师演示实验过程,展示生物学现象,引导学生观察、思考、分析实验现象,得出结论。演示实验是直观教学的一种高级形式,可以在课堂中进行,也可以在实验室中进行,还可以在室外进行。它的作用是多方面的:能利用学生的好奇心,激发学生的学习兴趣;能提供必要的感性材料,帮助学生建立科学概念和认识科学规律;能提供示范,为学生学习实验技能
Demonstration experiment is the participation of teachers or some students to demonstrate some natural phenomena, natural laws and other activities. Demonstration experiment is the basic way teachers demonstrate the experimental process, display biological phenomena, guide students to observe, think, analyze the experimental phenomena, draw conclusions. Demonstration experiments are an advanced form of visual instruction that can be performed in the classroom, in the laboratory, or outdoors. Its function is multi-faceted: It can arouse students’ interest in learning by using the curiosity of students. It can provide necessary perceptual materials to help students to establish scientific concepts and understand the laws of science. They can provide demonstration and learn experimental skills for students