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目的:使幼儿感知凸玻璃的放大现象。材料:透明玻璃方瓶和圆瓶各一个,清水。玩法:先让孩子用方玻璃瓶装满清水去透视一下书上的字,看看宇的大小是否有变化(没有变化),然后再让孩子用圆玻璃瓶装满水去透视书上的字:看看字的大小是否
Objective: To enable children to perceive the magnification of convex glass. Material: Transparent glass bottle and round bottle each one, water. How to play: Let your child fill the glass with water and look through the words on the book to see if there is any change in the size of the doll (no change). Then let the child fill the glass with a round glass bottle and look through the book's words: Look Look at the size of the word is