教学目标1.通过对灯泡亮了这一科学现象的探究,让学生亲身体验提出问题并选择合适的方法进行科学探究的过程。2.体会到与人合作的愉快和科学探究的乐趣,培养设计实验与动手操作的能力。3.通过活动知道一个完整的电路主要由电源、开关、导线、用电器等四部分组成,能用导线、灯泡 Teaching Objectives 1. Explore the science of light bulb and let students experience the process of asking questions and choosing suitable methods for scientific inquiry. 2. Experience the pleasure of cooperation with others and the exploration of science, and cultivate the ability to design experiments and hands-on operations. 3. Through the activities to know a complete circuit mainly by the power, switches, wires, electrical appliances, and other four parts, can use wire, light bulbs