设计背景:大班幼儿十分喜爱玩具“不倒翁”,常常对其“不倒”的现象感到好奇并展开讨论。“不倒翁”现象蕴涵着重心和平衡的科学原理。本主题活动教学资源丰富,实验性较强,比较符合大班幼儿的操作水平。下面介绍其中两个活动。主题目标:1.通过多种方式的探究,发现“不倒的娃娃 Design Background: Toddlers love the toy “tumbler” very much and are often curious about their phenomenon of “not falling down” and discussing it. The “tumbler” phenomenon implies a scientific principle of gravity and balance. This topic activities teaching resources are rich, experimental strong, more in line with the level of operation of children in large classes. Here are two of the activities. Thematic goals: 1. Through a variety of ways to explore and found that "do not fall doll