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The framework of junior high school physics and high school physics is the same, but the difference is that high school physics uses more advanced mathematics, such as trigonometry, and so on. It's the same after college, and the physics is used for advanced mathematics. In addition, most of the physics in junior high school is qualitative, while the physics in high school is quantitative.
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The questions have become deeper, more difficult, and the number of questions is more,,, but the knowledge connection is not much. If you listen carefully to the class in the first year of high school, you can get better at the scumbag. Believe me.
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High school physics is more abstract than junior high school! The first three chapters of high school physics are important, especially Chapter 3!
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In junior high school physics, you only need to memorize the main concepts and write the formulas.
Physics in high school is about abstract thinking, not just formulas, but analysis!
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There are several more formulas in kinematics: the momentum theorem, the kinetic energy theorem, and gravitation.
Electricity calculates the internal resistance of a power supply using Ohm's law.
Quantum Physics.
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High school physics is a deepening of junior high school physics, and the coverage is about the same, but it is more in-depth to analyze the essence of the phenomenon.
However, the in-depth knowledge of high school physics is also relatively limited.
It's still about mechanics, kinematics, electricity, magnetic fields, optics, and then atomic physics
As long as there is no waste in junior high school, there is still no need to worry about high school physics, remember to think more
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Junior high school physics is a bit of a liberal arts nature, many questions are tested to memorize, expressed in words, most of them are introductory work of physics, know what physics is for, what it is researching, what functions it has, and simply use physics to explain some phenomena.
High school physics is based on your junior high school physics, using logical thinking to make specific analysis, applying theorems more deeply to practical problems, such as force analysis (force on a single object and force on a system), and then considering how to save more effort, how to save materials, how to do the least work, and how to save energy through force analysis. Of course, there are many more formulas and theorems used in physics in high school than in junior high school, and the analysis is more complicated, and it requires a systematic learning method to learn well, which is different from whether you are smart or not.
My major in college is physics, so I'll tell you now, although high school physics is difficult to learn, the method is very important, good at analysis, good at summarizing, don't retreat from the difficulty, in addition, do more questions to get a high score. The general physics studied in engineering in college is basically at the level of high school physics, so if you learn it well, you can do whatever you want in college.
It doesn't matter if it's not divided, it's okay if it helps you.
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High school is to select talents for colleges and universities, and physics is greatly deepened and broadened.
Junior high school is compulsory education for all Chinese children, which means that knowledge is popularized.
So it's very different.
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Junior high school physics can be regarded as not really requiring understanding, just memorizing superficial physical phenomena and simply applying formulas.
In high school physics, you need to understand the whole process, the internal logic, the force, and the energy relationship, and the scope of things you learn is also expanded.
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There are few high school physics students who can learn well
Junior high school physics is pediatrics, and it's easy to get a full score!!
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There are some mistakes in junior high school physics.
Because there are some physical models that need to be analyzed using knowledge that is not covered in junior high school, the past is handled in a vague way.
For example, one of the properties of junior high school is transmission.
That is, forces can be transferred between objects.
So in general, junior high school physics is elementary physics.
Just some of the most superficial, most basic phenomena.
High school physics is closer to the essence and truth of physics.
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The velocity of high physics is the bit removed with the motion time, is the vector, and the direction is as supplemented as the displacement direction
To make a mistake, the above is the average speed.
The speed in junior high school is just the magnitude of the velocity, and there is no direction, which is equivalent to the speed in high school physics, and in junior high school, it is often only said that the speed is what is, and in high school, the direction must be stated, otherwise it is equivalent to not saying more.
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The velocity in junior high school physics is a scalar quantity, which is the distance divided by the time;
The velocity of high physics is a vector, which is a physical quantity with a direction removed by bits.
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The knowledge points of high school physics are mainly as follows:
Calculation of non-uniform motion, such as linear motion with uniform variable speed.
Calculations of non-linear motion, such as circular motion.
Newton. The Law of One, Two, and Three.
The law of gravitation.
Satellites, planetary movements.
Conservation of mechanical energy.
Momentum is conserved. The laws of thermodynamics.
Electric field, Coulomb's law.
Capacitance. Electric potential, potential difference.
DC circuits. Alternating current.
Electromagnetic induction. Electromagnetic oscillations.
Photoelectric effect. Wave-particle duality.
Nuclear physics, decay, fission, fusion.
Wait. It's like the feeling when you first started junior high school physics, it looks pretty fancy, but it's actually quite simple.
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Difference Between Beginner and Advanced. Middle school is just about building a concept. A little more in-depth analysis of the principles and generalizations of high school.
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Of course, there is a difference.
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In fact, it's not so scary to master the method, the most troublesome thing in high school physics I think is still calculation, the general finale is the physics formula + pure mathematical calculation, when solving the problem, you must have an overall view, and you can't just entangle one detail. Physics questions must be familiar with what physical process is described by a large number of conditions of the question, how the whole process can be divided, what formula can be used for each process of division (the formula must be familiar enough to be able to memorize backwards), and which amount is the difference in the use of the formula, and which sub-process can be used to obtain this quantity. What I am talking about here is the basic idea of the finale, I don't have much time to type too many words in my senior year of high school this year, = I'll tell you slowly after the college entrance examination!!
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Yes, junior high school physics only focuses on the explanation of principles, and there are very few practical operations, while high school physics is generally all kinds of practical operations, and the principles change back and forth, and when you are in junior high school, you can score 80 100 points in physics.
In high school, it's good if you can score 60 points, and most people get 40 to 50 points on the average test.
High school is hell!!
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Any subject has its difficulties, how to learn well or depends on the usual, accumulate more and summarize, encounter the knowledge points in the question but also dig deep and think deeply, divergent thinking, link multiple aspects of knowledge, which is very important in high school science learning! In the study of physics, it is necessary to dig out the essence, ask yourself why, have the spirit of exploration, what is the essence, such as what state the object is in caused by certain forces in mechanics, then it is necessary to analyze it deeply, break it down into small pieces, and finally summarize it together, which is the so-called learning from the thick of the book and then learning from the thin. In addition, you need to be cautious and careful to do any question, many students often do not see the question clearly, so that they will develop a very incorrect habit, high school learning can be said that habit is also a key point, it can allow you to encounter certain types of questions to do semi-automatic or even automated.
Finally, you have to learn physics well, you have to learn mathematics to learn analysis, I think you will probably be in a daze a lot.
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High school physics is the most rare of all science subjects in high school, especially multiple-choice questions, if you don't learn well, it's dead. In fact, physics is the process of analysis, as long as you know the process of this topic, it is not too difficult. You must think about it yourself, learn physics well, mathematics and logic must be strong, mathematics and physics are not separated, and it is easier to do more questions, especially mid-range questions and high-end questions, even if you can't read the answers.
If you read more answers, you will be able to read the answers while thinking about why this answer is given so that the answer is understood. If you see more, it will be, thank you.
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Compared with junior high school physics, high school physics has more abstract formulas and theorems, higher requirements for the analysis of physical processes, and deeper mastery and application of knowledge.
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Junior high school physics is popular science, and high school physics is modern physics over the past three hundred years.
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To put it simply, it is reduced and strengthened to varying degrees.
In general, the classification framework is more pronounced, and the mechanical, thermal, photonic, and electromagnetic categories are classified, plus extensions to atomic physics and relativity.
In terms of content, the mechanics part is the most extended part and is a compulsory subject.
Electricity starts at the source and is more complete than junior high school, including electrostatic fields and electrical circuits (plus elective electromagnetics).
The main part of the optical, thermal, and magnetic modules are much more in-depth than those in the lower secondary level.
Among them, heat is the most in-depth, light and magnetism are in the initial stage, and the elective relativity and atomic physics are the most basic and superficial parts.
Among the deepened parts are also the common parts and the basic parts that are selected.
That's pretty much it, but in fact, junior high school is equivalent to a brief understanding of each part, determine what you like, and then make an orderly selection in high school.
The biggest difference is that one is depth and the other is breadth, and to be precise, the breadth has been reduced (because part of it is selective learning) and the depth has increased considerably.
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The relationship between high school and junior high school physics is like the relationship between a forest and a tree.
Although the amount of knowledge has increased several times, the depth and breadth of thinking have increased, and the amount of calculation has also increased, there is no difference in learning methods and thinking patterns, and its essential structure is still the same as that of junior high school.
The only difference is that many people love to learn physics in junior high school, but they are inexplicably unconfident in high school.
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The breadth of the questions has become smaller, and the depth has increased. In addition, the connection with mathematics, especially geometry, has increased, and the electromagnetic field motion questions are sometimes a test of geometry.
And the questions are very flexible, so the amount of practice questions is much larger than in junior high school.
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High school is basically the basics of junior high school, but with more formulas.
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Yes! Fu Qi, count it as a ......But achievements are nothing!