If you want to learn physics well, you should not only learn physics well, but also learn other courses such as mathematics, chemistry, Chinese and history, that is to say, learn what you want. In fact, in school, the students we meet who study well do well in all subjects, while the students who study poorly do poorly in all subjects, which is basically the case. In addition to the innate factors of small probability, there is indeed a learning method problem here.
Who doesn't want to be a good student, but if you want to be a really good student, the first thing is to study hard, that is, to dare to endure hardships, cherish time and study tirelessly. Establish confidence, firmly believe that you can learn any course well, firmly believe in the "law of conservation of energy transformation", and firmly believe that you should get several times if you pay a few times. Please read the following three quotations about this article:
I never believe in any innate or acquired talent, and I can succeed without firm and long-term efforts.
-Dickens (English writer)
The main reason why some people can go far beyond others is not so much genius as his indomitable spirit of concentrating on his studies and not giving up until he reaches his goal.
-Dalton (British chemist)
The fastest and slowest, longest and shortest, most common and most precious, most easily overlooked and most regrettable thing in the world is time.
-Gorky (Soviet writer)
The first point mentioned above should be said to be the problem of learning attitude and thinking method. The second is to understand that there are eight links in learning as a student: making a plan → previewing before class → concentrating in class → reviewing in time → independent homework → solving problems → systematic summary → extracurricular learning. The most important thing here is: concentrate in class → review in time → work independently → solve problems → summarize systematically. In the above eight links, there are many learning methods. According to the characteristics of physics and how to learn physics well, this paper puts forward several specific learning methods.
(1) Sanji. Basic concepts should be clear, basic laws should be familiar, and basic methods should be skilled. Give an example about the basic concept. Like speed. It has two meanings: one is to express speed; The second is the ratio of distance to time (such as in uniform circular motion), and the speed is the ratio of displacement to time (in uniform linear motion). There are two formulas for calculating basic laws, such as average speed, V=s/t and V=(vo+vt)/2. The former is a defined formula, which is applicable to any situation, and the latter is a derived formula, which is only applicable to the case of uniform linear motion. First of all, the basic methods commonly used to study middle school problems, such as holism and isolation, are typical supplementary methods. Finally, another question belongs to three basic problems. That is, in the process of learning physics, we sum up some concise and practical inferences or conclusions, which are very useful for solving problems and learning physics well. For example, "the potential decreases along the electric field line"; "The tension on the same rope is equal"; "Maximum speed at zero acceleration"; "Lorentz force does not do work" and so on.
(2) Do the problem independently. Do some problems independently with good quality and quantity (meaning not relying on others). There must be a certain number of topics, not too few, but also a certain quality, that is to say, there must be some difficulty. Anyone who studies mathematics and physics can't learn this level well. Solving problems independently may sometimes be slow, sometimes you have to take detours, and sometimes you can't even solve them, but these are normal and the only way for any beginner to succeed.
(3) Physical process. To clarify the physical process, there must be hidden dangers in solving problems if the physical process is not clear. No matter how difficult the topic is, try to draw as much as possible, some can draw sketches, and some need to draw accurate pictures, using compasses, triangles, protractors and so on. To represent geometric relationships. Drawing can turn abstract thinking into image thinking and master physical process more accurately. With this diagram, we can make state analysis and dynamic analysis. State analysis is fixed, dead and discontinuous, while dynamic analysis is alive and continuous.
(4) attending classes. Listen carefully in class and don't think or think as little as possible. Don't be self-righteous, learn from the teacher modestly. Don't give up listening just because the teacher speaks simply. If this happens, it can be regarded as review and consolidation. Try to be consistent and synchronized with the teacher, and you can't do it yourself, otherwise it will be self-study. After getting started, with a certain foundation, you are allowed to have your own activity space, that is, you are allowed to have something of your own. The more you learn, the more things you have.
(5) notebook. Class is mainly based on listening, and there are notebooks, and some things should be written down. Knowledge structure, good problem-solving methods, good examples, places you don't understand, etc. Should be recorded. After class, you should organize your notes. On the one hand, you should "digest" and on the other hand, you should supplement your notes. Notebook is not only to remember what the teacher said in class, but also to make some reading notes. Good problems found in homework and good solutions should also be recorded in a notebook, which is what students often call a "good problem book". Hard-won notebooks should be numbered, studied later and kept for life.
(6) learning materials. Learning materials should be well preserved, classified and marked. The classification of learning materials includes exercises, papers, experimental reports and so on. Marking refers to, for example, marking exercises. General questions are not marked. Good questions, valuable questions and error-prone questions are marked differently for future reading. Marking can save a lot of time.
(7) time. Time is precious. Without time, there is no time to do anything, so we should pay attention to making full use of time, which is a very superb art. For example, we can save time by "recalling" learning methods. Before going to bed, waiting for the bus, walking on the road, etc. We can recall the lessons of the day section by section, so that we can learn them again and again and achieve the goal of strengthening. Some physics problems are more difficult, and some problems may be solved on foot. People who study physics often have several problems in their minds that they can't do and won't forget. I don't know when they will make a breakthrough and find the answer to the question.
(8) learn from others. We should learn from others, from our classmates, from people around us and see how others learn. We should often have "academic" exchanges with them, teach each other, learn from each other and improve together. We must never be self-righteous. Cann't be conservative Tell others if you have a good method, so that others will tell you that you have a good method. You should have some good friends in your study.
(9) Knowledge structure. We should attach importance to the knowledge structure, master it systematically, and systematize scattered knowledge. From the whole knowledge structure of physics to the knowledge structure of mechanics, even to chapters, such as the knowledge structure of statics and so on.
(10) Mathematics. The calculation of physics depends on mathematics, which is too important for learning physics. Physics is difficult to do without mathematics as a calculation tool. In the physics department of the university, mathematics and physics are equally important. To learn mathematics well, we must make good use of this powerful tool.
(1 1) Sports activities. Healthy body is the guarantee of good study, and vigorous energy is the guarantee of high efficiency in study. You should always take part in sports activities, know one or two kinds of exercise methods, take part in sports activities all your life, and do sports activities continuously. Just because you are interested in fishing for three days and drying the net for two days, it will not do much good to your health. Consciously exercise. To ensure adequate sleep, it is not advisable to increase study time by reducing sleep time. You can't get some good grades at the expense of overdraft health, you can't talk about the so-called "sprint" and "struggle" at every turn, and you should pay attention to the regularity in your study, that is to say, you should always work hard and don't engage in surprise attacks.
The above briefly talked about some learning methods. More specific and effective learning methods need to be explored and summarized by themselves in the learning process, and others' methods need to be tested by themselves before they can become their own things.
1. What are the majors in Guiyang Vocational School?
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