Editor's note: The study of junior high school physics is inseparable from the reading of textbooks. Teachers often say that the propositions of the high school entrance examination "come from the textbooks and are higher than the textbooks." This is the truth. So, how do you learn to "read the textbook"? Here are some suggestions for your reference. Good ways to learn physics in junior high schools: Read the textbook carefully, ask more questions, and cultivate self-study ability. Reading of textbooks mainly includes pre-class reading, classroom reading and after-class reading. (1) Reading before class should be targeted. Depending on the content of the textbook, combine the questions raised in the text and think about it while reading. If you read the section "Work", you can make the following outline: ① What is the meaning of "doing work" in physics? How is it different from "work" that is often said in daily life? ② What are the two necessary factors that must be present to do work? ?What are the situations where no work is done? ⑧What factors are related to the amount of work done? How to calculate the amount of work done? ④What is the unit of work? Through reading, you will have a rough understanding of the content of the new lesson, clarify the knowledge points, and find Identify the key points and difficult points and mark them so that you can break through and overcome the difficult points while listening to the teacher's explanation in class. (2) Classroom reading means reading during the new lesson. You should read and memorize key knowledge (concepts, rules, etc.) while reading. Symbols should be used to mark key words, words, sentences, and paragraphs. Only by grasping the key points can we have a deep understanding and accurately grasp the knowledge we have learned. For example, when reading "the direction of gravity" the key is "vertical". When reading the text "Newton's First Law of Motion", grasp the words "not acted upon by external force" and "always maintained". Read carefully to clarify the connotation and denotation of concepts and laws. When reading, if you encounter problems, you should think over and over again. Why do you say this? Can you say that? Why? Find out the original meaning. (3) After-class reading, combined with class notes, summarize and summarize frequently on the basis of reading. After a new lesson or a chapter is finished, read it based on the class notes, review and summarize in time, and summarize the knowledge in each section or chapter according to a "tree structure" or in the form of a chart, so that the fragmented knowledge can be gradually systemized and organized. Through induction, the learned knowledge can be strung into lines, connected into a network, and formed into a body. In order to deepen the current understanding and sublimate knowledge.