偶发性科学活动是指由外界情景所导致的或偶然发生的、幼儿自发产生的科学活动。它既可以发生在日常生活中,也会发生在学习、游戏时,幼儿对它的兴趣有时胜过正规的科学活动。偶发性科学活动是科学教育活动的一个重要组成部分,它是激发幼儿科学兴趣的有效手段。幼儿的思维具有直觉行动性和具体形象性的特点。他们的注意、记忆、思维和想象有很大的随意性,很大程度上受情绪的支配。当他们被某一事物或现象吸引而兴奋时,思维便异常活跃,探索欲望也特别强烈,同 Sporadic scientific activity is caused by the outside world situation or by accident, children spontaneously produce scientific activities. It can occur in everyday life, but also in learning, games, children’s interest in it sometimes outweigh the formal scientific activities. Sporadic scientific activity is an important part of science education activities, which is an effective means to stimulate children’s science interest. Young children’s thinking has the characteristics of intuition and concrete image. Their attention, memory, thinking and imagination have a lot of randomness, largely dominated by emotions. When they are excited by the attraction of something or phenomenon, they are extremely active in thinking and have a particularly strong desire to explore.