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Why is electricity a headache for so many people? Because electricity is relatively abstract, some problems can only be imagined, and circuit diagrams have high requirements for thinking skills, so many people fall into the pit.
First of all, you need to do a good job of preparing and understanding the basic concepts.
When you are in class, you should listen carefully to the class, especially when the teacher is doing experiments, you should study seriously, and you can also ask the teacher to borrow experimental instruments to do experiments for you after class, so as to enhance your practical ability.
Do more exercises, although the tactics of the sea of questions are not advocated, but the science subjects need to be practiced more, so that they can be more flexible. Remember, it is very important to preview and summarize, after the preview, do the questions yourself, and then summarize some methods, such as what is the reason why the light bulb does not light up, you should memorize it, because you often take the test, and you also know how to measure.
Believe in yourself and don't be discouraged.
As long as you do a good job of pre-studying, it is not so difficult to summarize often, and it is better for you to be one or two lessons ahead of the teacher.
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Physics is an experimental discipline with its own set of theoretical foundations. It is not only calculation, but more importantly, the understanding of each knowledge point, mainly the way to establish its model and the thinking process, is unique, but carefully figure it out, sink down, savor it, you will find its true meaning, work hard!
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Basic knowledge is very important, it is very important to analyze the topic, to do it, to consolidate the knowledge points, to know what the question is as soon as you see the question!
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Will you do it? Don't read the answer if you don't understand, no matter how much you do, it's in vain. If you don't understand, ask the teacher, don't lie to yourself.
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Introduction: The knowledge of high school is relatively difficult, especially high school physics, which makes many people feel a headache, so they should also pay attention to the method when studying. Physics is hard in high school, so what can I do to improve my physics scores?
In fact, although high school physics is difficult, the knowledge points examined are still relatively simple, but there will be a lot of extensions in this basic knowledge point, so you must pay attention to the understanding and expansion of basic theories, so that you can have a good reserve of knowledge. In addition, it is necessary to learn to read and analyze the conditions in the question, so as to be able to abstract the model, there are many high school questions will feel that the question stem is very long, mainly in the process of introducing information to introduce more comprehensively. Students can also learn about some implicit conditions in this question stem, so that they can improve their success rate in doing the problem.
Therefore, it is very important to meet the theme in high school, and if you can't even read the questions, it will affect your academic performance. In addition, it is necessary to do some summary analysis appropriately, and the summary can make you summarize the law, so that you can improve your physics performance.
Many people will encounter difficulties in high school, and even some very good people will feel that they are not in the right state when they are studying in high school. So at this time, on the one hand, we must learn to self-analyze and self-regulate, because only we can understand our own learning. On the other hand, it is necessary to communicate exclusively with parents, make yourself feel better, and communicate more with friends, so that you can have more energy to face this matter.
But don't give up on yourself, if you give up on yourself, it will lead to your own development being limited, and your grades will plummet, so the adjustment of your learning mentality still depends on your personal efforts.
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If you want to improve your physics scores, I think the most effective way is to brush the questions, because only by brushing the questions can you find out where you are weak, and then continue to strengthen your ability in this area.
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In normal times, you should develop a good study habit, you should improve your interest in physics learning, you should use some experiments to understand professional knowledge, set a good goal for yourself, and allocate time reasonably, so as to improve your physics performance and summarize the corresponding skills and experience in the learning process.
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Listen carefully in class, read more physics-related knowledge points after class, and ask teachers and classmates if you don't understand, so that you can improve your physics scores, do more test questions, broaden your thinking, and help improve your grades.
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You can summarize the experience of learning physics, pay attention to the learning situation of physics, summarize class notes, and listen carefully during class, you can buy some reference materials, or consult relevant materials on the Internet.
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I think there is a way to make up lessons, a way to do exercises, a way to correct mistakes, a way to find a teacher to talk about the questions, and a way to find a tutor.
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Hello, if your high school physics grades are not very good, the best way is to find a professional tutoring agency in your local area to tutor you, or find your teacher to open a small stove to make up for the class alone. Because high school is not suitable for changing learning methods at will, and it is inaccurate for others to say how they learn and what effects they have, and other people's learning methods may not be suitable for you. If you are really struggling to learn, it is recommended that you plan for further education in advance, there are still many low-scoring students who are going to enter the ideal undergraduate college, plan in advance, so that you will get twice the result with half the effort.
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Electricity, divided into three parts:
Electrostatics, Circuits, and Electromagnetism.
We don't explain electromagnetism.
First, there is electrostatics.
Electrostatics, first of all, is the formula.
In the formula I gave, f is the electric field force, e is the electric field strength, u is the electric potential difference, and the electric potential is the electric potential.
q denotes the amount of electricity, d denotes the distance along the electric field lines in the electric field, and e-p denotes the electric potential energy, and r denotes the distance between the point charges.
f=(kq 1 q 2) r 2 , which is the base formula e=(kq) r 2
Then f=eq can be rolled out.
In a uniform electric field, u=ed, then it is possible to deduce e=kq with the limit, re-p= q.
You can use the basic formula to introduce the formula, but to learn the trick circuit circuit of high school physics, you must be able to draw an equivalent circuit diagram.
This can be mastered in high school, mainly by mastering the electric potential method and the flow method.
The first is that the electric potential at both ends of the wire is equal.
The second is that the current is even the flow of water.
I won't mention the method of the competition.
This is not only high school electricity, but it is also beneficial to buy a gantry to do it.
As for looking at college physics, to be honest, big things are easy, as long as you have talent, don't look at it as good if you don't have talent, pay attention.
I don't think it's difficult to learn physics easily.
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Draw a circuit diagram for each question.
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Memorize the mantra... Of course, the formula still has to be known.
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Sophomore physics, in fact, it's really super simple. As long as you are willing to take the time to finish the physics of college. High school physics questions can be answered casually.
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If you don't do well in the exam, I think you may be more careless during the exam, resulting in more mistakes. Usually you should pay attention to the answer specifications, calculate carefully, usually pay more attention to some key words and sentences of the answers, and mark them when you encounter them, so that you will not be easy to make mistakes when you form a habit in the exam.
In fact, high school physics is not very deep, and it is not difficult to learn it well. The foundation must be grasped first, like the basic formula, the concept must be thoroughly understood first, and it is best to consult the information to understand the ins and outs. The second is to think more, find and put forward some good problems, and communicate with teachers and classmates to solve them.
The second is to practice more, that is, to do more questions, so that we can achieve a repetitive understanding of knowledge points, a deep understanding, so as to master the application proficiently, and get twice the result with half the effort during the exam.
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You should not be very proficient in knowledge, you should pay attention to the accumulation of knowledge in ordinary times, and you should fully master this type of question to achieve that kind of question type, otherwise you won't know it next time you encounter it, which is why many people can't learn physics well!
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Sincerity has nothing to do with proficiency, or you are not serious.
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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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Although we talk about quality education, but to do well in the exam, it is nonsense, first of all, we must understand the basic concepts, on this basis, do a lot of questions, only do more, in order to see the effect.
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Personally, I don't advocate the tactics of the sea of questions, but in order to get a good score in the college entrance examination, you can still use it, the main thing is to work hard and work hard.
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Understand the principle, ask a few more whys, you don't have to do a lot of questions, read a little physics newspaper, pay attention to accumulation...
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With my high school experience to tell you, the most critical point is to establish a set of mistakes, don't be afraid of trouble, high school physics on those few difficult points, as long as every time you make a mistake to sort it out, to ensure that you will not make a mistake in the same place next time, your physics must be a high score, I did seven or eight physics notes in high school, now to my sister, she said that the current are still very useful, is to think more, summarize more, that's enough, come on, pro.
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Focus on comprehension, choose a reference book, and have knowledge induction, example questions, and consolidation exercises. If you do each question in a down-to-earth manner and do it proficiently, your grades will definitely improve.
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Thoroughly understand the content in the textbook, read more example questions, understand the application of knowledge points, do more exercises, deepen the understanding of the knowledge points in the textbook, and develop your own ideas for problem solving.
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If you want to learn, you can learn well.
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Understand, understand, do questions, and summarize.
Understand with your heart, do more questions and think more.
In fact, it's not difficult to learn C, the key is that you have to find a teacher who suits you or self-study**, I didn't learn when I signed up for the class, and then I didn't learn it online**, I read it at the beginning, Mr. Xia's, I feel that the lecture is very concise and clear, the kind that you can understand when you listen to it, and what you talk about is the key, and there is a difference from others is that there are many difficult concepts with metaphorical examples, for example, the array I recently saw is compared to a box with things in order, and I understand the array variables and assignments at once. It's much better than what I read before, Hao Bin and Zeng Yi's cumbersome like reading a textbook.
If you are a middle school student, you can follow the plan of the netizens on the first floor, and college students can learn about it by choosing their favorite subjects about psychology. >>>More
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