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The key to learning physics lies in one word, that is, understanding. Physics in the third year of junior high school should be very simple! Do more questions! As long as you figure out what formula to use under what conditions, it is a test formula.
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If you only need to improve your score quickly, you can do 3 to 5 sets of corresponding test questions for the test and find someone to figure it out.
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It is recommended that you buy a copy of "How to Learn Physics in Junior High School".
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1.Listen carefully to lectures and take good notes;
2.Complete the exercises at different levels, do more questions of medium and low difficulty, do not ask for too many questions, but know what it is, and why it is;
3.Ask more questions to students who are good at learning and ask more questions to teachers;
4.Analyze the reasons for learning confusion, and you can use people as a mirror;
5.The timing should be appropriately tilted;
6.Stick with something.
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No nonsense. Let's talk about myself first, I almost got a perfect score in every junior high school physics exam, and I got a perfect score in the high school entrance exam.
In high school, I was in a key middle school, and the difficulty of the general physics exam papers was not low, and my general score was around 85-90.
The important thing in high school physics is not that the knowledge points are mastered, and the consensus is memorized.
I won't talk about the mess, but I will only talk about the most important part of high school physics: thinking.
You say that you look at the answer and find it difficult to understand and abstract, which proves that your thinking is not rigorous enough.
For example, when it comes to the problem of combining movement and energy, you should be able to analyze the difference between the various states of exercise and the change of energy corresponding to each state in your mind. Once you know a motion well, all you need to do is organize the known conditions and solve them according to the corresponding formula.
It is generally thought that the abstraction of the problem means that the relationship between certain states and states in the problem and the relationship between the various quantities are not clear.
After taking a new lesson, you should think about the new lesson you are learning, which is a process of exercising your thinking. When I was in junior high school, when I was learning about sliding rheostats, the textbook didn't talk about the voltage partial ratio of series circuits, so I pushed it myself for 40 minutes to think about the voltage partial ratio of series circuits.
The second way to exercise your thinking is to do a problem, a question, you can't do it or do it wrong. Ask yourself: why did you not think of this place with the xx formula?
The answer is simple: the analysis of a physical process is not in place, so it is ignored. Your correct attitude towards the answer is not:
Why? But why do you think this way? Once you know why objects are moving the way they do, you will know what formula to use and how to solve the problem.
For example, if you only know mass and velocity, displacement, of course, you will choose the kinetic energy theorem, the conservation of momentum, etc. Therefore, thinking more is the best way to solve general physics problems. When your mind reaches a certain level and you see all the conditions in the problem, your intuition will tell you what to choose and solve the problem this way.
The experimental problems in physics cannot be solved by thinking too much, and the experimental problems require a firm grasp and application of basic knowledge, and require a lot of solid accumulation.
I believe that if you can do a good job in general and experimental questions, you will definitely do well in physics.
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Be sure to connect with the reality of life and enrich your imagination. Summarize more and summarize more!
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Start more from reality and apply what you have learned in real life, so that you can think flexibly, have a deep understanding of theorems, and not stick to rules and regulations.
Formulas and theorems can be familiarized with many uses.
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Listen carefully in class and go home to memorize notes.
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The most crucial step in learning physics well is to carefully understand the physical meaning behind each formula, and to look at the problem into an interest.
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1. Ask for a tutor.
2. Think more. 3. The most important thing is to sort out the wrong questions.
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The main thing is to understand the definition in the textbook Buy this book specifically for physics problems to do Our teachers teach physics in class, the most important thing is to respond to all changes with the same to grasp the invariant and follow the vine.
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Learning physics is very process-oriented, a process of cognition, understanding, and application.
1.Cognition: Use the things or phenomena around you or even some examples narrated by the teacher to help yourself fully understand it and become interested in it.
2.Comprehension: Use understanding to memorize formulas, theorems, experiments, etc. It can be understood and memorized in clever ways such as visual thinking. For example, what is a vacuum can be understood in this way: a vacuum is really empty, there is nothing.
3.Application: One is to cope with the exam, and the other is to explain some physical phenomena around you.
So, when studying, first of all, don't be afraid, because your previous experience of not learning well may suggest something to you, which may lead to a vicious cycle for you. Try to tell yourself, "I can do it!! In fact, psychological suggestion is very useful!
However, in order to increase your confidence, it is best to do a good job of pre-study and be aware of it.
Secondly, you should follow the teacher's train of thought in class, take some notes appropriately, and write down some knowledge points that are not clearly stated in the book or even omitted and are easy to make mistakes. Take time out of class to practice more, don't prevaricate for any reason, thus giving up the best time to practice, which can only lead to tragedy in the end.
Last but not least, you must make sure to make a timely summary. For example, the paper of the last exam has been sent down, and although it has been carefully corrected, you still have to think about why it was wrong. How is the correct answer calculated?
Will it be wrong if I get it again next time? Wait a minute.
I think that through these study methods, I will definitely be able to learn physics well.
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To learn physics well, if you want to really learn it well, you have to do hands-on experiments, observe and analyze problems in real life, or solve problems.
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Dead to find Einstein.
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Thinking is the best way to learn, and there is also hands-on.
Thinking, I used to be good at math, but not good at physics, now to summarize my experience, I can only say that I was ignorant at that time, and the bad thing is that I don't know what I am doing for a day? I have very little memory of my life in junior high school and high school now. One day a high school classmate asked me a lot why, and it was probably like this. >>>More
1. Try to think that students are very ignorant and have a low ability to acquire knowledge. >>>More
I began to think that I was a girl, (because my mother is not good), physics will not be good, so when I first started to learn physics in the second year of junior high school, every time the teacher lectures and plays, I will find a lot of materials to do, there are many I don't know, but after reading the answers, the answers will be remembered, and I will get a lot of original questions, I am very happy, now I think about it, I don't even think about it, I just remember the answers, it is very mechanical, although the questions I have done are correct, but it seems to change, it will not be. Depressed.,The test is not too high.,Because I'm No. 1.,Other subjects are very good every time it's physics to pull a lot of points.,Later, I was also annoyed by doing the topic.,I'm going to listen to the class well.,Everyone didn't do any information.,It's still good in the exam.,So I didn't write it again.,Only do school questions.,Later, physics often took the first place.,So excited.γγ I like physics more and more.
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1γTo pay attention to the study of theoretical foundations, we must keep in mind concepts, theorems, and laws. It is necessary to understand it from natural phenomena. >>>More