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High School Physics Department: Exploring the Mysteries of Capacitors, Deepening Understanding of Electrostatics

May 17, 2024

On May 16, 2024, Mr. Xu Zhencheng from the High School Physics Department successfully delivered a public demonstration lesson, focusing on the application of electric field knowledge in the area of capacitance and capacitors. The teaching activity, which was broadcast online, was jointly observed by physics teachers within the department.

In the teaching process, Mr. Xu adopted a student-centered teaching method, encouraging students to design their own experimental plans and collect and analyze data. The students worked in groups, actively discussed, and successfully created parallel plate capacitors using physics textbooks and aluminum foil. By analyzing the experimental data, they plotted the relevant graphs. Subsequently, the students discussed potential sources of error in the experiment and explored the impact of the distance between the plates and the pressure on the capacitance.

As a highlight of the course, at the end of the class, students calibrated a capacitive sensor and applied it to measure body weight. This practical session not only deepened the students' understanding of the principles of capacitors but also stimulated their interest and enthusiasm for the subject of physics.

The public demonstration class was well received by the teachers. They all expressed that Mr. Xu's teaching methods were innovative and interesting, capable of stimulating students' interest in learning and desire to explore. At the same time, through practical activities, students were able to better understand physical concepts and improve their experimental skills, laying a solid foundation for future learning.

(Written by Xu Yuechao Pictures by Li Lejun Reviewed by Qian Zuo)