九年义务教育三年制《初中物理》教材(华东版)第一册第一章第二页《希望你喜爱物理》中演示“红、橙、黄、绿、蓝、靛、紫七种颜色混合”实验,其演示器学生不能自制,购买费用高.为了提高学生学习物理的兴趣,我指导学生利用一块圆木板,一只圆筷子,一根细线,一节细竹筒,自制了一种简易的“七色板”. Nine-year Compulsory Education Three-year System “Junior Physics” textbook (East China Edition) Volume One Chapter One Chapter Two “I hope you love physics” Demo “Red, orange, yellow, green, blue, purple, purple seven kinds of The color mixing ” experiment, the demonstrator students can not be self-made, high purchase costs. In order to improve students’ interest in learning physics, I guide students to use a round wooden board, a round chopsticks, a thin line, a fine bamboo, homemade A simple “seven-color plate”.