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一、课程标准的要求在《物理课程标准》中,对电学内容有以下基本要求：(1)从能量转化的角度认识电源和用电器的作用．(2)通过实验探究电流与电压、电阻的关系；理解欧姆定律,并能进行简单计算．(3)会读、会画简单的电路图；能连接简单的串联电路和并联电路；能说出生活、生产中采用简单串联或并联电路的实例．(4)会使用电流表和电压表． (5)理解电功率和电流、电压之间的关系,并能进行简单计算；能区分用电器的额定功率和实际功率．(6)通过实验探究,知道在电流一定时,导体消耗的电功率与导体的电阻成正比．(7)了解家庭电路和安全用电知识,有安全用电意识．(8)通过实验,探究
First, the requirements of the curriculum standards In the “Physics Curriculum Standards”, the electrical content has the following basic requirements: (1) From the perspective of energy conversion to understand the role of power and electrical appliances. (2) Exploring the relationship between current, voltage, and resistance through experiments; understanding Ohm’s law and being able to perform simple calculations. (3) will read, will draw a simple circuit diagram; can connect simple series circuit and parallel circuit; can say life, production of simple series or parallel circuit examples. (4) Use ammeters and voltmeters. (5) Understand the relationship between electric power, current, and voltage, and can perform simple calculations; can distinguish the rated power and actual power of electric appliances. (6) Through experimental exploration, it is known that when the current is constant, the electric power consumed by the conductor is proportional to the resistance of the conductor. (7) To understand the knowledge of home circuit and safe electricity use, and to have awareness of safe electricity use. (8) Explore through experiments