大海一望无际,远远望去,湛蓝湛蓝的,真是壮观。可是到海边把海水捧在手里看,却不是蓝色的,这是为什么呢?事实上,海水和普通水一样,是无色透明的。海水看起来是蓝色的,是因为它反射和散射了太阳中的蓝色光。太阳光由红、橙、黄、绿、青、蓝、紫7种颜色组成,这7种颜色的光的光波各 Ocean endless, from afar, blue blue, really spectacular. However, the sea to the sea holding in hand, but not blue, which is why? In fact, the sea water, like ordinary water, is colorless and transparent. The seawater looks blue because it reflects and scatters the blue light in the sun. Sunlight is composed of seven colors of red, orange, yellow, green, cyan, blue and violet. The light waves of these seven colors each