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Chemistry is known as the liberal arts of science due to its wide variety of knowledge points. If you want to learn well, you must first pass the level of memory.
Physics is more important than the analysis process, and it is difficult to do it if you don't remember the formula, even if you can push it, it is very tiring, so it is better to memorize it.
Analysis is more important than finding a breakthrough, and then pulling around to make the known conditions work for me. Some breakthroughs and known conditions are a bit hidden and need to be discovered by yourself, and intuition and experience will help a lot.
The above is just to illustrate one point: you have to practice more!
Anyway, it's absolutely impossible for you not to care, when practice makes perfect, you will find that doing it with your heart has become your subconscious, and you will take it for granted.
By that time, your mindset has changed a lot – studying physics has made you profound! Thinking profoundly! As long as you are brave enough to study hard, you will end up thinking that learning physics is very interesting.
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Physics, which takes both brain power and time, can be learned better as long as you do more problems, and it is biased towards memorization.
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If you can't learn, it's hard. It's not difficult to know how to do it. Especially in class, the teacher teaches you how to memorize, all of which are science subjects, and you need to understand and memorize. So it's not that hard.
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Three high school science subjects, physics, chemistry, biology.
Physics has a lot of knowledge points and complex formulas. Requires in-depth understanding. Therefore, studying physics requires a strong comprehension ability.
Chemistry requires understanding, but also memorization. Therefore, chemistry is a course that is somewhere between physics and biology.
The most important thing is that you must be careful when learning chemistry.
Biology is a liberal arts in the sciences that requires a lot of memorization. Therefore, students should have a good memory.
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If you think about it, physics and chemistry are both difficult, and the difficulty of combining them can be imagined.
Extended Information: Physical chemistry is developed on the basis of the two disciplines of physics and chemistry. It takes a wealth of chemical phenomena and systems as the object, a large number of theoretical achievements and experimental techniques of physics, explores, summarizes and studies the basic laws and theories of chemistry, and constitutes the theoretical foundation of chemical science.
The level of physical chemistry reflects to a considerable extent the depth of the development of chemistry.
Introduction to the subject. Physical chemistry is a discipline that studies the properties and behaviors of chemical systems based on physical principles and experimental techniques, and discovers and establishes special laws in chemical systems.
With the rapid development of science and the interpenetration of various disciplines, physical chemistry and physics, inorganic chemistry.
There are boundaries in organic chemistry that are difficult to accurately demarcate in terms of content, which constantly produces new sub-disciplines, such as physical organic chemistry, biophysical chemistry, chemical physics, etc. Physical chemistry is also closely related to many non-chemical disciplines, such as physical metallurgy in metallurgy, which is actually the physical chemistry of metals.
What to study. With the rapid development of science and the interpenetration of various disciplines, there are more and more overlapping new fields between physical chemistry and physics, inorganic chemistry and organic chemistry, which have continuously derived many new sub-disciplines, such as physical organic chemistry, biophysical chemistry, chemical physics, etc. Physical chemistry is also closely related to many non-chemical disciplines, such as physical chemistry of metallurgical processes and marine physical chemistry.
The generally accepted research content of physical chemistry can be roughly summarized into three aspects:
1.The macroscopic equilibrium properties of a chemical system in terms of thermodynamics.
Based on the three basic laws, the equilibrium physical and chemical properties and regularity of macroscopic chemical systems (systems containing molecular orders of about 10) in gaseous, liquid, solid, dissolved and highly dispersed states are studied. Since equilibrium is premised, time is no longer a variable. The physical chemistry sub-disciplines that fall into this area include chemical thermodynamics, chemical statistical mechanics, solution chemistry, colloidal chemistry and surface chemistry.
2.The microstructure and properties of chemical systems are measured by quantum mechanics.
As a theoretical basis, the structure of molecules, molecular clusters and crystals, the spatial structure of atoms and molecules in the bulk phase of objects, the structure of surface phases, and the relationship and regularity between structure and physical properties are studied. The sub-disciplines of physical chemistry that fall under this category are structural chemistry, crystal chemistry and quantum chemistry.
And so on......
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It is difficult to compare high school chemistry or physics. For students who are more logical, physics is relatively easy; For students with strong memory and hands-on skills, chemistry is easier. First, let's distinguish between these two disciplines:
Physics, to a large extent, requires a high degree of logical thinking, the ability to think dialectically. It is a science that is biased towards theory. High school physics is an introduction to physics, which is to simplify the most basic physical principles, so that students can form a chain of the entire physics subject in their brains, but the detailed content lacks accuracy due to the simplification process.
Chemistry is a subject with a strong memory, and if you want to learn everything from chemical formulas to reaction equations, you need to remember it very clearly. There is also less comprehension content here, which is relatively easy for most high school students to understand. However, the requirements for memory and diligence are slightly higher.
At the same time, it is also necessary to help memory and innovation through experimentation. High school physics and chemistry difficulty analysis High school physics is more difficult than junior high school physics, it is no longer a physics subject that can be done with the right topic by memorizing a few simple formulas, high school physics needs in-depth analysis and thinking, and it is very difficult to test abstract thinking ability and spatial imagination. If you choose physics in high school, then the range of majors you can apply for in college will be wider, and there will be more majors in college.
Chemistry is the science that studies the properties, composition and changes of matter, while physics studies the essential composition and principle of matter, which is different from chemistry.
The full formula of junior high school physics can be referred to below. >>>More
In fact, physics is not difficult to learn, I started to learn physics in the second year of junior high school, I felt that the speed of school learning was too slow, so I spent 20 days of winter vacation to learn all the physics knowledge in junior high school, and one month after the start of school, I won the second prize in applied physics, but after learning junior high school, I will find that many problems can not be explained, such as, why I am overweight or weightless when I take the elevator, or why I feel that it is dragging myself when I throw something, and there are many problems, in fact, they all come from the observation and experience of life. That summer, with these questions, I taught myself all the physics content in high school, and I have to say that it was a bit difficult to understand, after all, it is the result of nearly 100 years of human research. But if you understand it slowly in life, you will find that behind these formulas there are human explanations for unknown phenomena, and the explanations are so wonderful. >>>More
I don't know what your situation is, but personally, I came to the United States at the end of my freshman year of high school, and then my AP Chemistry and AP Physics were both A's when I was junior, and I learned very easily, if you go to school in China and you can usually get 70 or 80 in exams, there is no problem, Americans think they are difficult, mainly because their understanding is very slow, so they can't understand a question for a long time, like you use the sea of questions tactics in China to pile up, It's so familiar with the formula and the like, so you don't have to worry about it. >>>More
1 The steel sample to be tested contains 9mg mass fraction= >>>More