“物理是一門以實驗為基礎的科學。顯然,學生的實驗和教師的演示,在物理教學中佔极其重要的地位。教師的講解必須配合必要的演示。……”這是中學物理教學大綱(草案)總說明中所明確指示的。本文打算專就中學物理課的演示实验略談幾點個人的體會。 “Physics is an experiment-based science.Obviously, students 'experiments and teacher presentations play an extremely important role in physics teaching.Teachers' explanations must be accompanied by the necessary demonstrations.” "This is a secondary school physics syllabus Draft) general instructions as clearly indicated. This article intends to junior high school physics class demonstration experiment a few personal experience.