Controversy Project
Dear students, do you feel a little nervous and anxious about the final exam of sophomore physics? Don't worry, here's a list of great ways to prepare for the exam and get a high score!
1. Know yourself and know your opponent, and you will not be defeated in a hundred battles
First of all, we need to orient and adjust our physical learning. Review the knowledge and ability of mechanics in the first year of high school, review it regularly, and consolidate the foundation. The knowledge of electromagnetism in the second year of high school, such as electric field force, magnetic field force, etc., is closely related to the knowledge of mechanics. Therefore, doing a good job in the review of the first year of high school will be of great benefit to the study of the second year of high school.
Second, the electric field magnetic field, easy to get
Electric and magnetic fields are the focus of physics in the second year of high school. In order to easily grasp this part of the knowledge, we need to memorize the distribution images and characteristics of electric and magnetic fields in a planned way. For high-frequency test points such as the distribution characteristics of the electric field of double charges, it is more important to focus on mastering. At the same time, strengthen the memory of the three-dimensional magnetic inductance lines in space, pay attention to the density of the magnetic inductance lines, and skillfully use the Ampere rule and the left-handed and right-handed rules.
3. Junior high school circuit, seamless connection
The learning of high school circuits is inseparable from the foundation of junior high school circuits. Therefore, we need to review the knowledge of circuits in junior high school and be familiar with basic concepts such as series-parallel connection and electrical power calculation. At the same time, correct and sort out the knowledge that is not thoroughly explained in junior high school physics, such as the definition of voltage, the understanding of short circuits, etc. High and high circuits have new requirements, such as the understanding of power supply structures such as chemical galvanic batteries, the concept of electromotive force and internal resistance, etc. We need to strengthen the learning of this part of knowledge and improve the ability to solve problems.
Fourth, analogy sorting, easy to learn
There is a lot of new knowledge in the sophomore physics, and we can use analogies to strengthen memory and understanding. For example, the relationship between electric potential energy and gravitational potential energy, work done by electric field force and change of electric potential energy, etc., can be made by analogy to reduce the difficulty of learning. At the same time, doing a good job of sorting and classifying knowledge will help us understand and review more accurately.
Fifth, the final review, key breakthroughs
In the final review stage, we need to strengthen the review of the wrong knowledge points to avoid making the same mistakes again. At the same time, pay attention to the learning priorities of the second half of the semester, such as circuits and magnetic fields. Allocate the test time reasonably and master the test skills, such as flexibly using the elimination method and the limit method to solve multiple choice questions, and accurately filling in the answers to fill-in-the-blank questions.
6. Correct the wrong questions and consolidate and improve
Finally, pay attention to the correction and repetition of mistakes. Correcting wrong ideas is not achieved overnight, we need to consolidate and improve through many exercises. At the same time, various small conclusions and skills, such as equivalent resistance, power supply analysis, etc., are used to improve the efficiency of problem solving.
Conclusion:
Students, the final exam of sophomore physics is not terrible, as long as we master the correct preparation method, we can easily cope with it. Now, let's work together and use these tips to prepare for the final exam! Finally, everyone is welcome to share their exam preparation experience and experience in the comment area and make progress together!