幼儿的科学尝试活动，在大多数情况下离不开其自身的操作技能，而操作技能正是人类社会迈向进步的基石，也是人类活动能力的进一步扩展和延伸。所以说幼儿科学尝试活动的成功与否，关键在于幼儿操作兴趣和能力的培养。因此，激发出幼儿动手操作的强烈愿望，才能让幼儿初步掌握 In most cases, young children’s scientific experiment activities can not be separated from their own operational skills. Operational skills are the cornerstone of human society’s progress and the further expansion and extension of human activities. Therefore, the success of children’s science try activities, the key lies in the operation of children’s interest and ability training. Therefore, to stimulate the strong desire of children to operate hands in order to allow young children to grasp the initial stage