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《电荷》教学设计(国外英文资料)
《电荷》教学设计(国外英文资料)
The teaching design of electricity
Wang yuxia of jiaozuo experimental middle school
Jing feng middle school of jing feng middle school
Teaching design ideas:
This section of the teaching contents are: the phenomenon of triboelectrification, two kinds of charge and the law of effect, electroscope, charge quantity and unit, yuan charge and atomic structure, the current preliminary concept, conductor and an insulator. Two kinds of charge and their function, charge quantity and their unit are the main points of teaching, and only two kinds of charge and teaching difficulty are realized in nature. Triboelectrification is the earliest discovered electricity phenomenon, two kinds of charge and the law of interaction is a further study of electricity, understand a lot of electricity phenomenon, the basis of the concept of the charge and charge in the conductor of the directional movement is the key to understand current concepts behind, so in this lesson as a secondary electrical starting class, has the very important position.
Triboelectrification phenomenon in this lesson, two kinds of charge and the law of effect, natural once studied in the common knowledge students in elementary school, junior middle school stage should be based on this, through experimental analysis, make the students understand the logic of nature only two kinds of charge thinking process, developing the students ability of logical reasoning. Therefore, it is necessary to enrich the knowledge of these relatively simple things and dig deep, otherwise it is difficult to arouse the interest of the students. Through the text shown in figure 5.1 3 demonstration experiment, causes the student to know how much the electroscope charged with electroscope foil open Angle corresponding to the size, thus the concept of charge. Charge of the unit is directly tell the students, in order to make the student to the unit of charge coulomb a general understanding, should be an example: a glass rod or
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