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(接上一期“活动实例”)五、水结冰:在寒冷的冬天(气温零度以下),让幼儿用透明的小容器盛水,并在水中放些颜料或彩色纸屑,露天放置,第二天观察水会发生什么变化。不结冰的地区可以放在冰箱里制作。融化:让幼儿用各种方法把冰块变成水(如太阳晒、开水浇、冷水泡等),发现冰融化的原因;还可以让幼儿用手握住小块的冰,观察感受冰块的融化。汽化:提供玻璃杯、开水、玻璃片或塑料片若干,幼儿可将玻璃片扣在盛有热开水的玻璃杯上,观察杯中的热水冒出的
(Connect to the “Activity Instance”) V. Water Freezing: In cold winter (temperatures below zero), let the children hold the water in a transparent small container and put some pigment or colored confetti in the water to place in the open air. The next day observe what happens to the water. Non-icing areas can be made in the refrigerator. Melting: Let the children use various methods to turn the ice into water (such as the sun, water pouring, cold blisters, etc.), found that the reasons for melting ice; also allows children to hold small pieces of ice by hand, observe the feelings of ice Melting. Vaporization: to provide glass, boiled water, a number of glass or plastic film, children can buckle the glass filled with hot water on the glass, observe the cup of hot water from the