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Knowledge and understanding of college physics
One year's college physics study in He Hai is fleeting. In retrospect, I feel a lot.

I think it is precisely because exams are so important that students pin their future on them, and teachers feel responsible for students. Therefore, as soon as a class begins, teachers dare not greet each other more, and often go straight to the subject without saying a few words of "homely", followed by a lot of incomprehensible foreign names and equations written on the blackboard as dense as barbed wire, which makes people dizzy. After a class, some students have spent half a class in their sleep, and some fell asleep when the long-awaited bell rang.

How many students are listening carefully in our classroom? How many classes should a student listen carefully in a semester? How many minutes will you listen carefully in each class? Some students are asking what we have learned about physics.

With the deepening of study, the research object of physics class is constantly updated, and the law of exploration is becoming more and more complicated. Of course, it is more and more unbearable for students with poor foundation or underdeveloped intelligence. Is it really their ability?

Throughout the history of many physicists, which one is not interested in their own research? Although their conditions are very difficult, they all take pleasure in suffering and always do what they like. Some people, such as Einstein and de Broglie, were even said not to be material for physics in their early years, and finally they succeeded with great interest and perseverance.

The United States has won the most Nobel Prizes in the world, and its education is undeniably successful. However, compared with the lively American general physics and the laissez-faire physics teaching experiment, China's physics started as an abstract dogma, just like the Book of Changes and the Bible. Teachers always like to make science unfathomable, and the more experimental classes are covered, the better, even if students are actually copying. In the United States, the spirit of science is to express a complex problem as simply as possible, which makes it much easier for students to attend classes. Everyone has questions and answers, teachers are like a duck to water, students are witty, teachers and students are intimate, and even absurd questions, teachers should take the opportunity to extend. Introducing simple questions into the complexity and mystery of the stronghold is actually one of the main reasons that affect our interest in physics. Is this the scientific spirit with China characteristics? It is a good teaching method if the physics class is simple and vivid, and then some in-depth questions are given to the students who have spare time to study. In the previous class, if the teacher provided us with some questions as homework for us to think about, then in order to solve these problems, we should not only read textbooks, but also go to the library to read a lot of materials. In this way, we will encounter more problems. In order to solve these problems, we will listen to the teacher in class and listen to the students' active speeches. I think this kind of teaching is the best!

With the progress of the times, our teaching instruments are becoming more and more advanced, which brings a lot of convenience to teachers, but I think they are also important tools to improve students' interest in learning, such as projectors and computers, which we can use to enhance our perceptual knowledge of physics. In our rapidly developing information age, chalk and blackboard are no longer equivalent to high technology, but only represent a backward educational concept, and the backwardness of teachers' educational concept will directly lead to students' interest in learning. We should know that a short video of science and education or a set of extremely simple physical models may change a student's life, and may turn a lazy and careless heart into a positive heart that advocates science, so that a boat can find its own sailing goal in the vast sea. Therefore, teachers can use rich and colorful network resources to add a little supplement to our perceptual knowledge.

In addition, I also realize that discussing physics problems with teachers and classmates often will increase my interest in physics classes. Because the theories in the book are boring, discussion can add a little humanity to these theories, because when I think of a theoretical problem, I will think of my teachers and classmates, so I feel kind and comforted and encouraged. In a word, physics is the most important subject to cultivate students' logical thinking ability, so as a physics teacher, we should pay more attention to the cultivation of students' ability to analyze and solve problems. The classroom is the stage for teachers, but what we are actually doing should be the behind-the-scenes work with guiding significance. It should be the highest goal of teachers to return the learning space to students, tap the potential of students to the maximum extent and improve their learning ability.