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目的:通过操作、观察和体会,了解游戏过程中产生的有趣现象,培养幼儿对科学游戏的兴趣和求知的欲望。一、旋转的乒乓球准备:广口瓶1个,乒乓球1个。设问:将1个乒乓球放在桌面上,上面倒扣1个广口瓶,不把瓶子翻过来,能不能用瓶子把球从这张桌子挪到隔着一段距离的另一张桌子上去呢?玩法:拿住瓶子作绕圈运动,乒乓球贴着瓶壁逐渐上升。由于乒乓球沿瓶子内壁作旋转运动,因而不会从瓶中掉下来。不断运动瓶子,就可以把球带到另一
Objective: Through the operation, observation and understanding, to understand the interesting phenomena generated during the game, to develop children’s interest in science games and desire for knowledge. First, the rotation of the table tennis preparations: 1 wide jar, table tennis 1. Question: Set a ping pong ball on the table, flip one jar out of the jar, turn the bottle over, can you use the bottle to move the ball from the table to another table across the distance How to play: Hold the bottle for the roundabout movement, ping-pong close to the bottle wall gradually increased. Due to the rotation of the table tennis ball along the inner wall of the bottle, it will not fall from the bottle. Keep moving the bottle, you can bring the ball to another