In the second year of junior high school, how to improve the grades of physics and mathematics

Preview before class, listen carefully during class, review carefully after class, buy more reference materials to do, and ask the teacher if you don't understand, if you don't succeed, it's your own problem.

1. Strengthen guidance on learning the law and cultivate good study habits. Good study habits include making plans, self-study before class, concentrating on class, timely review, independent homework, problem solving, system summarization and extracurricular learning

2 Take it step by step and prevent impatience.

3. Study the characteristics of the discipline and find the best way to learn.

4. Strengthen counseling and resolve differentiation points.

If you can't do math again, please ask a tutor, as long as you study hard, your grades will definitely go up, physics is to read extracurricular books, good extracurricular books have midterm exams, and the question types of the final exams are exactly the same!! It's very effective.,I'm just reading extracurricular books.,There's another trick.:Read hard before the exam.,Theorems hard to memorize.,It's a temporary cramm.·· o( oHa Don't always think it's very simple when you take the exam, some of the questions are also very lively, you have to read the questions carefully!

Understand?? Believe in yourself... ( Work hard!)

Oh my God, where did the two people upstairs find so much information,,, depressed...

I didn't learn math very well, but I was good at physics, I didn't tutor, I just listened to the lectures. (90 points in the score are heard in class, and 10 points are played independently), so as long as you listen to the class, you can get at least 90 points, right? I hate my teacher because she doesn't like me, says I'm not smart, never asks me questions, and I don't get good grades.

You have to work hard!

Priceless experience!!

Do more questions, be good at induction, overcome your lazy nature, and the tutorial class will definitely go to the second floor, and the one on the second floor is big and empty, and it is not easy to implement.

The regular auxiliary lines of congruent triangles, right triangles, and isosceles triangles must be memorized. See the angle of 45° ° and think of making it vertical. It is also routine to launch isosceles by the equivalent substitution of the horns. There is also the importance of a three-in-one.

Three-view.

I don't think it's that hard. I'm a girl, but I think as long as you have a firm grasp of the knowledge points, you don't ask the teacher too much, and you have to keep a good attitude during the exam, because sometimes the more you want to do well in the exam, the more you can't do it.

Do you want to do more questions? Listen to the teacher in class, what else can you do?

It's a woman, my classmates in junior high school have also touched, junior high school physics is relatively not very difficult, it's best to see if your school has a humorous physics teacher, generally these teachers have a stronger ability to make analogies, vivid teaching is easier to accept, and physics to find some questions to do, science does not do questions even if you read the textbook is not high, as for mathematics, it is also necessary to do more questions, mathematics pays more attention to the type of questions, do more questions, and the general idea is clear, these two sciences do not know how to buy this teaching aid, more detailed, In particular, mathematics should pay more attention to the improvement of arithmetic, so that the first year of high school will not be unable to adapt all at once.

In fact, physics and mathematics in the second year of junior high school are not difficult, and physics only needs to memorize the teacher's requirements!! As long as you understand the books and the questions in the training camp, it should be no problem to score 85 points.

The first point is to completely change the way of learning in junior high school, from writing more and doing more to thinking and summarizing more; The learning link should be complete, not just listening to lectures and writing homework; Learn mathematics well, establish the relationship between mathematics and physics, and usually put more effort into the knowledge points of combining physics and mathematics when studying, and do more similar questions for training; Fourth, the details determine success or failure, and if the details are handled in place, the results will be on a higher level.

Physics is the study of the most general laws of the motion of matter and the basic structure of matter. As a leading discipline in the natural sciences, physics studies the most basic forms and laws of motion of all matter, from the universe to elementary particles, and thus becomes the research foundation of other natural science disciplines.

Its theoretical structure makes full use of mathematics as its working language.

Taking experiment as the only criterion for testing the correctness of theories, it is one of the most sophisticated natural science disciplines today.

1. Listen carefully.

Listen carefully in class, and don't think or think as little as possible. Don't be self-righteous and learn from teachers with an open mind. Don't give up listening to the lecture because the teacher is simple, if this situation really 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 equivalent to complete self-learning.

After getting started, with a certain foundation, it is allowed to have its own fixed activity space, that is to say, it is allowed to have some of its own things, and the more you learn, the more you have your own things.

2. Complete the homework assigned by the teacher independently.

The homework assigned by the teacher is targeted, which can repeatedly make students understand the definitions and concepts, and must be completed independently, and learn to think about physical phenomena and physical thinking methods when doing homework. Remember, don't put the cart before the horse.

3Make the most of your time.

Time is precious, and without time there is nothing to do, so be careful to make the most of it, and using time is a very masterful art. For example, we can use the learning method of recall to save time, before going to bed, waiting for the bus, walking on the road, etc., we can recall the lessons of the day one by one, so that we can learn again and again, so as to achieve the purpose of reinforcement.

Some physics problems are more difficult, and some problems may have been solved by thinking of them while walking. People who study physics often have a few unmanageable questions stored in their minds, and they don't know when they will make a breakthrough and find the answer to the question.

Study the textbook

Everything must have an expected goal and a purpose to be achieved, otherwise you will lose the way forward, and the same is true for learning knowledge. Teenagers have a wide range of curiosity, but no amount of curiosity can replace learning goals. Each student should have a good grasp of their curiosity, transform it into a desire for knowledge, and then rationally determine the overall learning objectives of the whole semester, and make their learning process orderly according to the local learning objectives of each chapter of physics class and the detailed learning objectives of each class and each knowledge point.

Listen carefully

Genius is not born. Whether it is a new class, an experimental class, an exercise class, or a review class, every "exam champion" can make full use of the class time, listen attentively, follow the teacher's ideas, think positively, outline the key points from time to time, mark the ones that are still unclear, or record the new questions that arise, so that learning is efficient. Learning is a process, constantly spurring oneself, firm one's belief in learning, perseverance, in order to reach the realm of "learning" and "learning".

Self-inspection

Exercises are consolidation, review is systematic, and exams are tests. Every homework, every exam, complete independently, carefully review the questions, carefully calculate, refine the conclusions, think comprehensively, and standardize the answers; Correct in time, ask questions if you don't understand, learn to generalize, solve multiple problems in one question, draw inferences from one another, and unify multiple questions.

The key to learning physics well is to understand the characteristics of physics as soon as possible, otherwise, we will "take a plane", be in the clouds, be exhausted to cope, and lose the initiative to learn.

Method migration

As a beginner in physics, you will read "The Revelation of the Pendulum Story", and at the same time, you will be exposed to the use of the control variable method to study the factors that affect the period of the pendulum. Gradually, you have learned the true meaning of the method of controlling variables from experiments such as studying what factors are related to the pitch of sounds, comparing the speed and slowness of object movement, etc., and this method runs through the whole process of junior high school physics learning.

It's good to memorize all the formulas that should be memorized, brush up on more questions, and don't be afraid to ask the teacher.

Listening Skills In the classroom, we should develop the habit of actively thinking and truly understand the concepts and principles of physics. In class, we should listen carefully to the basic content, basic concepts, and basic rules taught by the teacher, and at the same time write down the key and difficult content of this lesson, including the content of the board book.

Mistake Record".

The record of mistakes should record three aspects: question + answer + idea. Please note that if you don't have enough time, you can just make a copy and use scissors to cut it out and paste it.

The mistakes here are not all mistakes, but also include the typical questions that the teacher encounters in class and the good questions that are easy to make mistakes. For complex answers (i.e., physical drawings are not easy to draw, etc.), specific answers can also be pasted to save time; However, the reason for the idea and the wrong question must be written on the side with a red pen, Wang Shang reminded everyone to use their own words, to ensure that they can understand.

Improve comprehension.

With the memorization and accumulation of previous knowledge, and then carefully synthesized, the ability to solve problems can be improved. It is conceivable that if the basic concepts of physics are not clear, the laws are vague, the formulas are not accurate, and the conditions given or implied in the questions cannot be seen, then how can we solve the problems correctly and how can we improve our grades? Improvement is first of all problem-solving proficiency, then flexible solutions, and then innovation in problem-solving methods.

This includes multiple solutions to the same problem, and the easiest way to choose from the multiple solutions; It also includes multiple problems and one solution, one way to successfully solve multiple similar problems. Truly achieve dexterous use, the degree of easy access.

Note: It must be emphasized that the plan must be drawn up according to one's own characteristics, and one cannot copy other people's plans, and the method told by others can only serve as a guidepost at most, and it is difficult to completely apply it. Only by trying to do it yourself and figuring out your own complete method is the most useful.

Listing a plan is just a means, and you should never make a plan for the sake of making a plan, as long as it is a plan that can achieve the goal, it is a good plan. At any time, the column plan is just to complete a certain learning task.

Students who have just started to plan may not be easy to grasp the scale of difficulty, and it is natural for the plan to be too high or too low, as long as they continue to adjust and improve, they will soon adapt to this method.

The above is how to learn physics in the second year of junior high school that I have compiled for you.

<> in the study of physics, we should be familiar with the basic concepts, laws and some of the most basic conclusions, that is, the so-called most basic knowledge that we often mention. Students often ignore the memory of some basic concepts, thinking that learning physics does not need to memorize these literal things, and as a result, when students are asked about physics concepts in the general review of the third year of high school, the students who can accurately say it guess very little, even the students in cram schools are almost the same. I don't dare to say absolutely how much impact an incomplete memorization of physics concepts will have on your certain exam or a certain stage of learning, but I can definitely say that this will have an intrinsic adverse impact on your understanding of physics problems and the formation of your entire physical system knowledge.

Therefore, learning Chinese needs to be familiar with famous sayings and aphorisms, learning mathematics must memorize basic formulas, learning physics must also be familiar with basic concepts and laws, this is the first prerequisite for learning physics well, is the most basic requirement for learning physics well, without this step, the following learning can not be talked about.

The most important thing in learning physics is to understand, not to memorize some conclusions. In order for students to acquire knowledge, the most important thing is to listen to lectures in class, especially when learning new courses, they must understand the basic concepts, basic principles, and basic laws, understand the ins and outs of these contents, integrate and memorize them. The class is mainly based on listening to lectures, and the knowledge structure, good problem-solving methods, good example questions, and things that you don't understand well should be memorized.

First, understand the general framework of physics knowledge and its position in various disciplines. Physics knowledge is nothing more than the knowledge that includes five parts: acoustics, optics, thermals, electricity, and power and spike science. First have a general understanding, and then you can classify each part of the knowledge, so that you can win the battle of middle school physics.

The score of junior high school physics in the high school entrance examination is 70 points, so you can allocate your time and energy by knowing this.

Reading before class is targeted.

Before class, think about the problems in the textbook or tutorial handouts, because the wrong cognition is often easy to occur in mechanics learning, and the main reason for the formation of these cognitions is that the teacher does not understand the knowledge in class, and they bring inertial thinking when they understand, and they first think about all the concepts in the pre-class reading process, when the teacher speaks and their own understanding of the error, it deepens the impression, and avoids the wrong cognition of inertial thinking.

In order to put it into practice, we should combine theory with practice.

Practice is the only criterion for testing truth. The most important thing for us to learn physics knowledge is not to memorize definitions and formulas, nor to do exam questions, but to apply it in real life. For example, the knowledge of simple machinery, the principle of levers, the knowledge of inertia, etc., are all closely related to our lives.

After learning the relevant knowledge, you must learn to use this knowledge to explain and study various phenomena in life. In this way, learning physics will not be boring.

Xi is a must.

We use physics knowledge to explain phenomena and solve problems, provided that we correctly understand and master these knowledge, and appropriate practice can help us correctly and deeply understand the knowledge concepts we have learned, and play a role of consolidation and testing, and practice can also enable us to understand the causes of phenomena around us and its essence.

After-class reading After-class reading, combined with class notes, summarizes and summarizes on the basis of reading. At the end of a new lesson or after learning a chapter, read it in combination with the class notes, review and summarize it in time, and summarize the knowledge of each section or chapter according to the "tree structure" or in the form of charts, so that the fragmented knowledge is gradually systematized and organized. Through induction, we can string the knowledge we have learned into a line, connect it into a network, and form a body.

In order to deepen the understanding and sublimate the knowledge.

Develop the habit and ability to think independently.

In learning, we should be good at asking questions, expressing our own opinions, and at the same time learning to sort out and reintegrate knowledge, organize and systematize messy knowledge, and turn it into our own things. For example, after each chapter, try to summarize its main content in two or three hundred words.

The above is how to improve your grades in physics in the second year of junior high school.