How to learn physics and chemistry in high school, and how to learn physics and chemistry in high sc

It's similar to my situation, I also dangled in my first year of high school, not only in chemistry, but also in other subjects. When I was a sophomore in high school, I used the winter and summer vacations to re-study the knowledge of the first year of high school, did a lot of questions and read many textbooks, and then made up for the knowledge that I didn't learn well, which was a painful thing, but it was very effective. Now that I'm in college, majoring in chemistry, you can communicate with me if you have any questions.

By the way, I forgot to tell you that the definitions and formulas should not only be memorized, but also memorized comprehensibly, and then use the formulas to do the questions, so that you can be familiar with them.

Physics, this is a subject that I don't need to review every time I take an exam, because our homeroom teacher is a physics teacher, and he summarized a lot of questions in the process of leading us to study, and we have already done a lot of questions, so don't be afraid.

Physics is actually a few formulas and then use them in the problem, I can't say how to learn at all, because some people have asked me, I said for a long time they don't understand, but I finally said talk to your teacher, and in the end their grades really improved. What I want to say is that you should communicate your experience with the teacher in a timely manner, **No, the teacher will tell you how to learn.

The teacher's example problems in class are the most important, and a good physics teacher is to see if there will be classic examples in class. Therefore, as long as you pay attention to the explanation of the exercises in class and after class, it is OK. But it's important to do the exercises well!

Chemistry and biology textbooks are heavy, and exercises should not be too much.

There is no space in the exercises, and then look at the textbook.

Chemistry is considered a liberal arts subject in the sciences, and there are many things to memorize. But although there are many rules, the rules also have to be memorized! It's better to be the simplest, read the textbook, don't get tired of reading, the more you read, the better, if you can read it seriously 7 times a semester, the chemistry score is not high, but I must emphasize that when reading the book, you should take questions and thinks, go to read, only in this way will you understand those knowledge, I am now in my third year of high school and always hold the textbook every day to read, chemistry is still full of fun.

I have said so much nothing more than to emphasize the importance of textbooks.

Exercises are the best thing to consolidate textbooks, we should properly deal with these topics, and the amount should be more than other science subjects, after all, we have to grasp the basic knowledge, the first and second years of high school is the time to lay the foundation, if the foundation is good, the third year of high school will be very easy, so the new friends of the first and second years of high school should implement the foundation well. In addition, I still emphasize the importance of the teacher, I don't just ask him, I don't understand him.

Learning is to understand every knowledge point in the book, especially physics and chemistry, at the beginning of the mind is very confused, in fact, physics and chemistry is not so difficult, figure out each knowledge point is the most important, the questions are composed of one knowledge point, do not even know the knowledge points, how to do the questions, so figure out every knowledge is the most important!