3DPageFlip Flash Catalog Templates for Sea Water - Version 1.0 Have you noticed the changes in the colour of the sea when you go to the seaside? Under different weather conditions, the colour of the sea changes with the time, the viewing angle and the height. The sea appears blue under a clear sky because the blue light from the sky is reflected by the water surface. Also sea water absorbs red light and scatters blue light. These factors work together to give the sea a bluish look. Furthermore, salt in the sea water enhances scattering of light. However, the concentration of salt in sea water is normally too low to show any noticeable effect. Sea water will appear green when it contains large amounts of green algae. If the algae are red, the sea water will turn red. This is what we call "red tide". So amazing the water color in sea, isn't it? Let's enjoy the wonderful color change in the Sea Water