论文部分内容阅读
教学目标:一、知识与技能:1.能说出电路概念及电路由电源、用电器、开关及导线组成。2.能分析电路中各元件的作用,会画电路中各元件的符号。3.理解电器工作时的回路的概念。4.能理解区别电路中开路与短路的概念,会判断电路故障属于哪种。5.能理解串联电路和并联电路的电路连接形式及区分电路中的干路及支路。二、过程与方法:1.通过教师引导下画电路图,学生能自主根据所给的实物图
Teaching objectives: First, knowledge and skills: 1. Can tell the circuit concept and circuit from the power supply, electrical appliances, switches and wires. 2 can analyze the role of the circuit components, will draw the symbol of the circuit components. 3. Understand the concept of electrical circuit work. 4. Can understand the difference between open circuit and short circuit concept, will determine the circuit failure belongs to what. 5. To understand the series circuit and parallel circuit connection form and distinguish the circuit in the trunk and branch. Second, the process and methods: 1. Draw a circuit diagram under the guidance of teachers, students can independently according to the physical map