活动目标1．结合幼儿的经验，通过操作感知等活动，使幼儿了解扇子的多种特点，并知道科技工作者和工人叔叔根据扇子的功能发明制造了电扇、空调等。2．开阔幼儿眼界，鼓励幼儿关注周围世界新的科技日用产品，培养幼儿对科学的兴趣、丰富的想象力和感受美的能力。活动准合工． Activity goal 1. Based on the experience of young children, children can learn various characteristics of fans by operating awareness and other activities. They also know that electricians, air conditioners and the like were invented and invented by uncles and technicians and workers according to the functions of fans. 2. Open the eyes of young children, encourage young children to pay attention to new products around the world daily science and technology, develop children’s interest in science, rich imagination and the ability to feel the United States. Activities for workers.