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Let's be honest, first of all, the conceptual aspect of physics is the kung fu of memorization, without any technical content, nor any tricks, just memorize it honestly.
The calculation part essentially examines mathematics, as long as the concept (note here that all the laws of physics are expressed by formulas, formulas, is the work of memorization, and when the formulas are used up, it is mathematical calculation, and it is also a job with no technical content, that is, practice, and all the first places are piled up by the sea of questions).
I hope that my experience from 14 years of study will be helpful to you.
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Pre-exam tips for scoring high on exams:
First, you should never stay up all night the day before the exam;
Second, avoid using the same learning method too often, and use multiple learning methods for learning;
Third, you must keep memorizing questions before going to bed, and the memories before going to sleep are stored in the brain for a long time, so you must memorize more when you are sleepy.
Throw away the feeling and use the basis to do the problem.
Two pieces of advice for data analysis questions:
First, if there is a data analysis problem of the coordinate chart, the data is the first element of the solution.
It is necessary to understand and memorize the knowledge in the textbook in advance (the data analysis questions should be memorized with the reference materials in the textbook), and secondly, you can use a concept to analyze and solve a comprehensive problem from multiple points of view, which is the real test of mathematical ability.
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In fact, physics in the eighth grade is relatively simple. You first make a knowledge structure diagram of the important knowledge points in the textbook. There are not many important knowledge points and formulas. Then carefully understand the topics in the matching workbook or newspaper, and the physics score will definitely go up.
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First of all, you have to memorize the formula, and then you have to do the questions, starting with the simple ones. Then do the difficult ones, find some particularly difficult questions later, you can ask if you don't know, remember not to leave it alone, otherwise you will not learn well.
If it's a preview, it's best not to do something difficult, otherwise you'll fall into this whirlpool (I know it well).
If you don't understand it after learning, it's best to go to the teacher, and if you can't save face, ask for advice to understand it. It must not be ignored.
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Follow the teacher in class Do more exercises Understanding is more important Recommend a workbook Textbook 1 1 Full explanation.
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First of all, you should have a strong interest in the subject of physics, because interest is the best teacher.
Secondly, you should listen attentively in class, take notes carefully, deeply understand every knowledge point, and master the "double base" knowledge (basic knowledge and basic concepts) of physics on the basis of understanding. Don't memorize by rote.
Finally, apply the knowledge learned to the reality of production and life. Because physics is an applied science, it is closest to my generation and life, and it can explain all the phenomena around us. This is the reason why you have to develop a strong interest in physics.
This is called the transfer and divergence of physical knowledge.
In this way, it will not be difficult for you to learn the subject of physics well.
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According to the theory of association with practice, in fact, it is very simple, as long as the principle is understood, in fact, it will be, it is better to learn the current when you have to do it with your hands, and then you will know the direction of the current, come on!
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Practical Problems Idealization Ideal Model Axiomatic Mathematics Problems.
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(1) The distance traveled by the sound: 340* The distance traveled by the car: 440*2-850=30s Speed: 30 meters per second) (2) 440 12=seconds).
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Make a symmetrical point with the wall of the car horn point, this is a simple encounter problem, the car and the mirror point are opposite each other, 880m apart, the speed of the mirror point is 340m s, so the speed of the car = 880 - 340 = 12m s
Time to Cliff = 440 12 =
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Solution: (1) Let the speed of the car be V.
Then the sum of the distance traveled by the car and the distance traveled by the sound is 440 2. Place. The solution is v=12m s.
2) Set the time t.
then t=s v=440 12= from s=vt.
T is also needed'=。
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1.The sound needs to go 340*, and the sound from 440m means that the person is 850-440=410m away from the cliff in front when he hears the sound, and the person makes a sound from 440m, so the person drives away 440-410=30m, so the speed = 30m
2.The speed is 120m s t=s v=440m 120m s=11 3s (if you still don't understand, welcome to ask).
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(Especially in the 8th grade physics, it is necessary to learn to establish the understanding of images, in which T-T, S-T, M-V) 2 Connecting with life practice and cultivating interest in learning Theoretical physics classes are closely related to life practice, and students are encouraged to connect with life.
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8th grade? You mean junior high school, right? Junior high school physics is relatively simple, mainly to discuss mechanics or something, just do more exercises.
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Learning should be arranged with a simple and feasible plan to improve the learning method. At the same time, it is also necessary to participate in school activities appropriately and develop in an all-round way.
In the process of learning, we must: listen more (listen to lectures), remember more (remember important question structures, concepts, and formulas), read more (read books), do more (do homework), ask more questions (ask if you don't understand), do more hands (do experiments), review more, and summarize more. Use the method of taking class notes to focus on the lesson.
In other times, we must ensure the study time, ensure the learning quality of each subject, and not deviate from the subject.
Get enough sleep (8 hours) every day to ensure your learning efficiency.
Arrange appropriate free time for socializing with family and friends and other activities.
Through unremitting efforts, the results are improved and stabilized step by step. Do your best for the exam, be careful during the exam, and be calm when you sprint at the end. After the exam, you should summarize carefully so that you can study better in the future.
Right now: let go of the baggage, usually: study hard. Before the exam: prepare carefully, during the exam: don't give up, after the exam: normal heart. Remember!
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How to learn physics well.
To study physics, we must first learn to observe, observe the physical phenomena in life, observe the phenomena of experiments, how they happen, and what kind of results they have.
Second, we should pay attention to experimentation. Physics is an experiment-based discipline, and the laws, laws, and principles in physics are obtained through experiments, so it is necessary to pay attention to experiments.
Again, learn to think. Every time you learn a piece of knowledge, you must figure out the ins and outs of it, and learn the process of acquiring knowledge, rather than only focusing on the results.
Exercises should be done appropriately, but not sea tactics.
If you are preparing for the high school entrance examination or college entrance examination, you have to do it:
Then there is the need to repeatedly study the bold font in the textbook and the concept of each knowledge point in each chapter! Read it and think about it again and then make a question! The key is not to rush, the time to understand the bold characters thoroughly is the time to write the question very easily!
If you don't have a good idea, you must not understand it thoroughly! Don't be discouraged, take a look when you have time and think! For example, mechanics only needs to understand one sentence--- force is the cause of the change in the state of motion.
Don't omit every word, it's a condensation of the essence! Every word to every word to every sentence Slowly understand! Experience!
The question is to assist comprehension, not to understand the problem!!
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Listen carefully in class, and try your best to complete the tasks given by the teacher after class.
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First, it is necessary to pay attention to the horizontal correlation of various disciplines, for example, the reading ability of Chinese directly affects the learning of physics knowledge and the understanding of physical concepts; The purposeful transfer and application of mathematical knowledge in physics lessons is the computing ability in physics learning.
Second, we should attach importance to physics as an experimental science, and consciously and purposefully cultivate our own observation ability and experimental operation ability, as well as a scientific attitude of seeking truth from facts.
Third, we should pay attention to establishing the awareness of independent thinking, analysis, and induction in the process of group learning, and cultivate good independent work ability.
Fourth, we should attach importance to exploring the unknown areas on our own learning path, learn to explore scientifically, and rigorous analysis is the golden key to open the door to the unknown field.
Here are a few suggestions on how to learn physics well in the second year of junior high school.
1.Learn to use physics textbooks.
What is all there is to learn in middle school physics class? What parts of the junior high school physics curriculum should I learn in the second year of junior high school physics? What does the teacher talk about first and then in physics class?
For a new course, students will have a series of question marks in their minds and want to know the answer. It's not difficult, and every question will be answered as you progress. The key is whether as a student is to passively wait for the answer, or to actively explore to find the answer, right!
The latter, of course. Physics textbooks are the basis for us to learn physics and a guide for students to learn physics. Students should learn to read the physics textbook before class to understand what the teacher is going to talk about in physics class, and know what to listen to in physics class, so that the learning process is purposeful.
Through reading physics textbooks under the guidance of the teacher in class, the purpose of cognitive knowledge and understanding of key points of knowledge is achieved. By reading physics textbooks after class, students can review and consolidate their knowledge and learn to apply their knowledge to answer questions. After we have learned some physical laws that can be written with mathematical expressions, students will read the analysis and solution process of some typical example problems in the physics textbook.
This is an example of solving physical calculation problems, which should be read well and carefully repeatedly, which is a good training process for analytical ability and comprehensive application of knowledge ability, which can enable students to improve their ability to solve physical calculation problems, master the writing format, and receive the effect of course. There are some subheadings and experiments in the physics textbook that guide students to think, and you may wish to read them when you have a relaxed study time, it will make your eyes shine. Students' physical thinking will be expanded and their understanding of knowledge will be deepened.
2.Clarify learning objectives and focus on understanding physics concepts.
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 grasp their curiosity well, turn it into a desire to learn, and then rationally determine the overall learning goal for the whole semester.
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Sound, light and heat, we should look at the test more and remember the experiment.
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