【摘 要】
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1耀眼的黑球1.1材料直径5cm以上的球体(可用废灯泡代替)1个,蜡烛1只,盛水容器1个.1.2实验(1)点燃蜡烛,将球体放在火焰之上稍远的地方,将球体熏黑(越黑越好)后冷一会儿.(2)将
【机 构】
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金乡县职业中等专业学校,金乡县职业中等专业学校 山东金乡272200,山东金乡272200
论文部分内容阅读
1耀眼的黑球1.1材料直径5cm以上的球体(可用废灯泡代替)1个,蜡烛1只,盛水容器1个.1.2实验(1)点燃蜡烛,将球体放在火焰之上稍远的地方,将球体熏黑(越黑越好)后冷一会儿.(2)将熏黑的球体放在盛水的容器中(完全浸没),在强光的照射下,发现黑球变成耀眼的亮球.1.3原理由于熏在球体上
1 dazzling black ball 1.1 Materials 5cm above the diameter of the ball (available waste bulb instead) 1, a candle, water container 1. 1.2 experiment (1) lit the candle, the ball on the flame slightly above the place , The ball blackened (the darker the better) after a cold for a while. (2) the blackened sphere on a container of water (completely immersed), in the bright light, the black ball became bright dazzling Ball .1.3 Principle Smoked on the ball
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