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Listen carefully in class, take notes, and find a cram school if you can't review after class.
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That's how science is, so be careful.
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Personally, I think that the physicochemical chapter is more independent, in addition to thermodynamic kinetics, chemical equilibrium, and chemical potential can be studied together, I hope it will be helpful to you.
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If you can't understand or understand, you have to do experiments diligently, and you should always be convinced of the phenomena that occur when you do experiments.
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I think that physics bai should do more questions, will not first self-study zhi, let yourself do some less difficult questions first, increase the self-answer of their interest in physics, in the slow increase in difficulty, I feel that I can solve the problems I can solve by myself, don't rely on the teacher, so you may not learn physics well, I really won't ask the teacher again.
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Physics focuses on copy
Think and do questions, and think carefully when you encounter something that you don't know. If you still can't understand it after thinking about it for a long time, you can ask your teacher and other students, and for chemistry is a somewhat partial subject in science, it not only needs proper practice, but also needs to memorize the definition and basic principles of the book.
Learning doesn't happen overnight, and if you want to get something, you have to get something.
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Physics comes to chemistry, and I personally feel that the concept is the first self.
bit, the basic concepts should be understood, the thermodynamic concepts should be clear, and if possible, the textbook formulas should be pushed over to deepen the understanding of the conditions for the use of formulas (if necessary, look at the textbook, the carnot cycle is an exception). Dynamics is essentially a matter of differential equations, and it is really not too simple to establish mathematical models, such as steady-state approximations, equilibrium speed control steps, etc., and to figure these out, physical chemistry is really not too simple. If you don't study structural chemistry as an undergraduate, and you don't understand it by self-study, you won't be ashamed to show it hahahaha.
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You first overcome the difficulty of learning the subject.
du degree, zhi to them
If you have enthusiasm, you will have the interest to learn.
The analysis of the key points of physics is specialized in the physical process, you have mastered it, physics is just a few formulas, analyze more topics, and don't know how to ask the teacher.
Chemistry is a combination of arts and sciences, which requires the reasoning ability of physics and the ability to memorize liberal arts, which is much easier than physics.
Hope it helps.
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It is recommended to take a look at the physical chemistry written by Peter Atkins, every knowledge point is very detailed.
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Outside the mountain, Qingshan Building, outside the building, one person is more worried than one person.
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Are you taking two courses or one?
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It's not difficult, ask the teacher frequently, don't drag it around, if you save too many questions, the second year of junior high school will be ruined.
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It's actually quite simple! It's only a freshman in high school, take your time, it's very simple.
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1. Chemistry mainly first understands the principles, then combines experimental phenomena and chemical equations, diligent memorization, and then combines some typical exercises to strengthen understanding and memory, and then pays attention to the comparison, induction and sorting of knowledge points. In fact, the questions are quite common, grasp the equations and various calculation formulas, and memorize the properties of various substances.
2. Preview before class. The day before class, be sure to take time to consciously preview what the teacher will talk about the next day. Learn to study first and then listen to the lectures.
3. Listen to every class. Listening to lectures is the core part of the learning process, and it is the main way to learn and master knowledge. Whether you can master the knowledge learned well in the classroom is the key to determining the learning effect.
If you can basically master the basic knowledge and skills you have learned in class, you will not have difficulty reviewing and doing homework after class.
4. Take good notes. To learn chemistry well, note-taking is also an important part. In addition to focusing one's attention and improving the efficiency of listening to lectures, note-taking is also a great help for post-class review.
So, learn to take notes and develop a good habit of taking notes. Therefore, while listening carefully, you should also take good notes.
5. Careful observation and hands-on experiments. Through demonstrations and student experiments, learning to observe the operation and phenomenon of the teacher's demonstration experiments, doing a good job in student experiments, and taking good laboratory classes are the foundation for learning chemistry well.
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Take your time, you will always learn, one looks at talent, and the other looks at hard work.
To learn a subject well, you must first stimulate interest in the subject, regardless of how difficult it is. Physics is a science. To learn science this course, you must have a strong curiosity, you must learn to observe the things around you, you can integrate it into your learning, and at the same time you must be good at thinking about problems, you can also read more books about the universe to arouse your interest in physics, when you like this course, you will naturally know how to do it, everyone's learning methods are different, and each successful scholar uses different methods, but they have common characteristics and are very interested in the course they have successfully learned. >>>More
Listen carefully in class and take good notes. I don't feel that it matters to the homework, so I will do the real questions of the college entrance examination, the 3-year college entrance examination and the 5-year simulation (or the 5-year college entrance examination and 3-year simulation). >>>More
Let me tell you, my grades in these three subjects are very good. >>>More
It may be that you haven't learned well Or your attainments have not reached a certain level In fact, the fundamental reason is that your basic knowledge is not firmly mastered Forever inseparable from the Qi Sect Oh You must be familiar with the basic knowledge and you can't be familiar anymore It's easy to say How do you do more? First of all, make up the basics, look at the books, and then do the type questions, remember, oh, the problem is to be fine, not to do more type questions, others do one, let's do a type of question, we must not know half of it, this will be counterproductive, half the result. >>>More
I think it should be relied on feelings, the study of science, you need to have a lot of associative ability, why boys have an advantage in science, I feel that it is because boys are more naughty, because boys are naughty, because boys' curiosity will prompt boys to think, which will make boys' divergent thinking better. But the most basic thing in learning is interest, and being interested in a subject will make you learn twice the result with half the effort. >>>More