Solution, is it difficult for junior high school students to learn astrophysics?

Whether it's difficult or not, it depends on yourself. Learn more and use more!!

Must study Mathematical Physics:

1. Solving differential equations: Many physical problems, such as solving equations of motion in classical mechanics and quantum mechanics, can be reduced to solving differential equations under certain boundary conditions. Therefore, solving differential equations becomes the most important component of mathematical physics.

Solving ordinary differential equations.

Partial differential equations are solved.

Special functions. Integral transformations.

Theory of complex variable functions.

2. Field research (field theory): field is the main research object of modern physics. electrodynamics studies of electromagnetic fields; General relativity studies the gravitational field; Gauge field theory is the study of gauge fields. Different mathematical tools are applied to different fields, including:

Vector analysis. Tensor analysis.

Differential geometry. 3. The study of symmetry: Symmetry is an important concept in physics. It is the basis of conservation laws and has important applications in both crystallography and quantum field theory. Symmetry is described by symmetry groups or related algebraic structures, and the mathematical tools to study it are:

Group Theory. Representation theory.

4. Action theory: Action theory is widely used in various fields of physics, such as analytical mechanics and path integration. Relevant math tools include:

Calculus of variations. Functional analysis.

The landlord can think about it, and without talent, it is difficult to achieve in this area.

Follow-up: Are these all astrophysical?

Follow-up: Well, you're scared?

Follow-up: These are more professional. Advanced mathematics, linear algebra, probability and statistics, etc., I think the problem of self-study is still relatively large. The landlord might as well take a look at the "100,000 Whys" on astronomy, which is simple and easy to understand. By the way, I recommend a book, Stephen Hawking's A Brief History of Time

Follow-up: I just want to learn professionalism, I have read all the brief history of time, and there is no formula. I want to use mathematics as a tool to study and study astrophysics in depth.

Morningnet Junior High School Physics Teaching Resource Network.

The most important thing is interest, I'm quite interested in physics, my grades are okay, physics is science, you have to listen carefully to the teacher in class, buy some topics that are suitable for you, do a unit, summarize some rules, and do it once you can't do it, and you need to observe life more, maintain your curiosity, and actively think about the physical phenomena around you.

Good luck with your learning and progress.

Follow my top 3 and no problem.

There are no detailed measures to learn physics well, only one sentence for you:

Do more questions. It's because I do more questions to get good at physics, and now it's a month and a half, and the finale questions of physics and mechanics and electricity in the third year of junior high school can be done in 5 minutes.

In short, if you practice steadily, you will soon be able to learn well.

Physics itself is a real phenomenon in life, but you must first understand the theory from the textbook before you can better apply it to practice. Junior high school physics is very simple, mainly mechanics, optics, electricity, thermodynamics, etc., there is no electromagnetic field to say that it is very simple, as long as you do a good job of previewing, it will be no problem to listen carefully in class, in addition, before the exam, you must string together the knowledge points in the textbook, so that there can be coherence before and after, physics itself is a very logical subject, you have to cultivate your interest in the initial stage, otherwise it is difficult to learn physics without interest.

Physics learning is not like the study of other subjects, learning physics requires more observation of life, maintain your curiosity, actively think about the physical phenomena around you, and pay attention to the teacher's demonstration experiments in class, of course, if you have the opportunity, do it yourself, and then don't be afraid to make mistakes! The study of all subjects is inseparable from a certain intensity of practice, which I have always insisted on during my personal study. I feel that the current physics teaching has been doing problems, few experiments, very little interest cultivation, and students are very bored, which is a problem

Personally, I don't think you should let yourself be hard working in junior high school, not just physical ......I don't study junior high school physics hard, I can win the national award in the competition (although it is the third prize in the country), I think the junior high school stage is to find a way to make yourself smarter, learning physics does not care how many questions you do (of course, the right questions are still needed), but whether you will think, will you find, will not find, there are many phenomena in life are physical, if you will find, will think, and dare to think, even if you are not the top in physics, it will definitely not be bad, think more, think deeper when you encounter problems ( But don't get into the nitty-gritty), you'll get more out of it than anyone else.

The test is not only about knowledge, but also about psychological quality, and if you have a good psychological quality, that is, a miracle may occur.

If the psychological quality is not good, you will not be able to do it, and you will not be able to do it.

It's useless, it's just a casual write)

Let's cut to the chase.

First. What is Physics?

Physics is the interpretation of phenomena in life.

That is to say, the phenomena that can be seen in life can be explained by physics (the purpose of saying this sentence is to make you observe life carefully, and you may encounter this kind of question when you encounter it during the exam, you will answer it).

Second, what is the use of physics?

Physics can make your words more scientific and make your mind more flexible before you speak (i.e. if you don't hear a word, you have to associate it with something that will help you remember the formula).

Third, why study physics?

Because physics is a point taken up in the exam (this sentence is nonsense).

Fourth, how can I improve my physics scores?

Physics, The Truth of Matter, The grasp of the problem and the mastery of the formula are the key to improving your physics score, so it is necessary to do more questions.

I read your question and think that your question is mainly in terms of problem solving.

It is recommended that you take a good look at the relevant example problems before doing each problem, understand them thoroughly, and find out the idea of solving the problem. When you do the problem independently, follow the steps of the example problem solving, develop the habit of solving the problem systematically, and don't solve the problem with a hammer in the east and a stick in the west. Make sure to get the problem in the future, and immediately have a rough way to solve the problem.

You should develop the habit of solving problems independently, even with the help of other students, you must do it again independently.

If you do a topic, you should have a harvest. If the problem is wrong, you should study it more carefully, and make sure that you don't fall on the same stone a second time.

Don't engage in sea tactics.

In addition, to learn physics to see more, ask more, more hands-on, physics is a very experimental discipline, you not only have to watch the teacher do a variety of demonstration experiments, but also do a lot of experiments by yourself, some experiments can be done at home because of the simplicity, it is recommended that you find some popular science physics books to look at first, improve your understanding of physics, interest, do not rigidly memorize definitions, memorize formulas, set of formulas to solve problems.

There are many qualitative problems in junior high school physics, so the concepts, definitions, theorems, and laws should be remembered.

As a person who has come over, I will give you some advice.

First of all, it is necessary to understand the formula theorem. When you do a certain question, you at least know what knowledge points it wants to test you, and then analyze it according to the knowledge points. For example, a circular object suspended in water, its mass is m, and its buoyancy is f, find its density?

This question is made up by myself, not good, make do with it, hehe) The main knowledge point of the analysis of this question is buoyancy, think about the formula of buoyancy, f = liquid density * g * liquid volume, and the volume of suspended liquid is the volume of the object You can find the volume of the object, density = mass volume, and the density will come out. The purpose of this example is to tell you to understand the knowledge points in the book thoroughly, and then analyze them in detail.

Secondly, it is necessary to connect and integrate the knowledge learned. For example, mechanics, kinematics, and electricity all have contact. Especially in high school, there was a magnetic field or something, and an object was subjected to a lot of force.

Finally, you have to do the questions, and there are more types of questions.

It is better to concentrate and relax a little during holidays or after school without being too nervous. Also, you don't have to stare at the class and books, you can read some other physics-related miscellaneous books to extend your interest, do more physics experiments (this also has the disadvantage of being easy to deviate from the subject), and sometimes what you understand is far easier to improve your test scores than what you learn in class.

I think 1...First understand those small knowledge points, (such as formulas and the like) and then memorize it, and remember it in order to understand it better. (Understand and remember) These are the foundations.

2.It is necessary to systematically integrate various small knowledge points, because the test questions of the science exam are all about the knowledge points of the test are relatively wide, and this wide is that a question will test several of your knowledge points, which is to test your knowledge system integration. And you are so good at math, I believe that if you memorize all those small knowledge points, it should not be difficult for the system to be integrated.

And if you really remember those small knowledge points and the format of the exam is absolutely what questions, if they can systematically synthesize it well Full score and close to full score are not myths, because the content of the exam is limited to the knowledge points in your books, and the physics questions in junior high school are not to test you about the theory of relativity or something.

1 month to understand and memorize those knowledge points. It is recommended that you list the knowledge points and make a knowledge structure diagram. Must be memorized!

Then, spend 1 month practicing these knowledge points (that is, reading the example questions in the book and doing those practice questions, don't think that it is useless, this is currently the most useful for your situation and the most useful for the exam). The last month! You can relax and don't be a nerd, just recall those knowledge points in your mind when you have nothing to do, and if you can't recall something, read the book immediately to deepen your memory.

It is advisable to carefully observe the physical phenomenon and analyze the causes.

Be rigorous when doing the questions.

Develop an interest in physics, such as doing some experiments.

Ask your teacher and classmates for advice.

My junior high school chemistry physics is not bad, the focus of junior high school physics is in electricity, electricity is learned, nothing else, just memorize some concepts!

Junior high school physics is not a brain test, you can do it well by being diligent!

The key to learning physics or some other science content is to discuss with other students, and only by mutual ** can we truly understand this subject.

Read more example questions and do more exercises! Surely no problem!

The teacher can read the book himself before giving a lecture.

The main thing is to memorize the definitions and formulas in the chapters, think about it yourself in combination with the actual situation, there are generally actual examples in the book, and think about other examples by yourself, which can easily deepen your memory.

When the teacher talks in class, he mainly listens to the problems he encounters when he reads the book, and then he does the topic, the junior high school questions are often based on examples, use your brain a little, and transform the description of the topic into physical definitions and formulas, which is still very simple, and you have to rely on the teacher if you don't understand, you won't ask more, as long as it's the same knowledge point, no matter how the topic changes, the solution is the same, and then it's the integration of multiple knowledge points, which is the most rare.

The learning methods of junior high school physics can be summarized as:

Focus on observation and experimentation.

Be diligent in thinking and not afraid of difficulties.

Conceptual laws to be understood.

Summarize and consolidate to the other side.

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Memorize formulas, read concepts and try to understand them.

Take notes when studying, find classic questions and combine them with formulas and the like to do questions and analyze; If you have time, you can take notes on your mistakes and jot down the analysis process, and take a look at it at intervals.

Physics is quite simple, as long as you listen carefully to the teacher in class and follow the teacher. After class, do a good job of tutoring exercises, tutorials or something, it's pretty much the same.

Especially those formulas to memorize are ripe.

Excerpt and memorize important knowledge points, and do some questions on the corresponding knowledge points! It should be about the same.

I haven't pre-studied, just listen carefully in class, junior high school physics is not difficult.

Let me suggest it. It is very important to cultivate interest, to cultivate your own interest, please think about it.