Why is ocean water and the sky blue?

Why is water the color that it is? Is it the elements in the water. Is it from evaporation, when the water is evaporated and goes into the blue sky does it come back down with the color of blue. Also why is the sky blue. These are the questions that I have. Please help me understand. Thank You.

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27 Responses to “Why is ocean water and the sky blue?”

  1. polk2525 said:

    Sky is blue because it refracts light.

  2. dbybell said:

    the wavelength of the blue in sunlight is small enough to hit the particles in the sky and make it blue… it’s the whole thing about light absorbing and reflecting such…

  3. AnotherHuman said:

    The chemicals in the atmosphere reflect the reds and other colors and absord the blue rays coming from the sun and the ocean is a refleciton of the sky(atmosphere).

  4. karen v said:

    because god made them that way.

  5. Miss hershey kiss said:

    because thats the way God wanted it to be, duh. thanks for the 2 points

  6. Sam M said:

    when the temp. changes the water cages and the sun reflects off the water making the sky blue

  7. Mel♥ said:

    Water is colorless but it has the reflection of the sky, and is thus blue.

    The color of the sky is a result of diffuse sky radiation and the fact that air is actually a very transparent purple color[1]. On a sunny day the Earth sky usually looks as a blue gradient — dark in the zenith, light near the horizon (due to Rayleigh scattering). It turns orange and red during sunrise and sunset, and becomes black at night.

  8. Heads up! said:

    By the sun light shining through the water vapour blue in the light spectrum is visable.

  9. broken_monkey08 said:

    i think the ocean is blue because the sky is blue. or vice versa.
    something about the one or the other reflecting the color off the other one.
    sorry not much help

  10. justanotheremailj said:

    OK NO on what you wrote but its cool b/c you dont know , its becaues of the light reflections from the sun , if you dont believe me its cool just look it up on the internet under sci – nautre0water- element –

  11. Mary Mary said:

    The blue color of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affected by the air.

    However, much of the shorter wavelength light is absorbed by the gas molecules. The absorbed blue light is then radiated in different directions. It gets scattered all around the sky. Whichever direction you look, some of this scattered blue light reaches you. Since you see the blue light from everywhere overhead, the sky looks blue.

    As you look closer to the horizon, the sky appears much paler in color. To reach you, the scattered blue light must pass through more air. Some of it gets scattered away again in other directions. Less blue light reaches your eyes. The color of the sky near the horizon appears paler or white.

    Sunlight is made up of all the colors of the rainbow: red, orange, yellow, green, blue, and violet. Some of the sunlight is reflected off the surface of the water, reflecting the color of the sky. Some of the sunlight penetrates the water and is scattered by ripples and particles in the water (this tinges the appearance of the ocean with the color of the particles). In deep water, much of the sunlight is scattered by the oxygen in the water, and this scatters more of the blue light.

    Water absorbs more of the red light in sunlight; the water also enhances the scattering of blue light. Sir Chandrasekhar Venkata Raman (an Indian physicist) won the Nobel prize in 1930 for his work on light.

    Some Oddly-Colored Seas:
    The Red Sea often looks red because of red algae that live in this sea.
    The Black Sea looks almost black because it has a high concentration of hydrogen sulfide (which appears black).

  12. nunezf said:

    The blue color of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affected by the air.

    However, much of the shorter wavelength light is absorbed by the gas molecules. The absorbed blue light is then radiated in different directions. It gets scattered all around the sky. Whichever direction you look, some of this scattered blue light reaches you. Since you see the blue light from everywhere overhead, the sky looks blue.

  13. kingrh2 said:

    A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.

    The white light from the sun is a mixture of all colours of the rainbow. This was demonstrated by Isaac Newton, who used a prism to separate the different colours and so form a spectrum. The colours of light are distinguished by their different wavelengths. The visible part of the spectrum ranges from red light with a wavelength of about 720 nm, to violet with a wavelength of about 380 nm, with orange, yellow, green, blue and indigo between. The three different types of colour receptors in the retina of the human eye respond most strongly to red, green and blue wavelengths, giving us our colour vision.

  14. MiSS MiCHeLLe said:

    the ocean is really deep and has algea and suff like that so it makes it blue and the sky reflects off the ocean so it looks blue

  15. kallie1095 said:

    donno bout water but the waters color like is being reflected into the sky to make it blu. So if the water turned green so would the sky. I think

  16. sjfoulds said:

    Guess you haven’t been to boston lately………..blue water ha ha ha

  17. ~Tanya~ said:

    The ocean is blue because the sky’s colour is reflected onto the ocean and the sky is blue because the universe is navy blue and the reason is is light blue is because of the light reflecting from stars to make the colour appear lighter.

  18. Miss Nice Girl said:

    The ocean reflects particles from light from the sky. If the sky is blue the water is and if the sky is gray the water is.

  19. mike1942f said:

    The water reflects the color of the sky. If the sky is grey, water is grey. Deep water may be black because the color is absorbed. The sky is blue because the red light from white light of the sun is absorbed and the blue is scattered so we see it.
    Water is clear and has no color unless dye is added.

  20. rod said:

    Blue light gets scattered (spread) around much more than all the other colors from the sun, causing the sky to appear blue.
    Colors are actually different wave lengths of light, similar to frequency’s on your FM or AM radio. Each color has it’s own frequency.
    The BEST site for this info is: http://www.whyistheskyblue.org

  21. paulito said:

    A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.

    The white light from the sun is a mixture of all colours of the rainbow. This was demonstrated by Isaac Newton, who used a prism to separate the different colours and so form a spectrum. The colours of light are distinguished by their different wavelengths. The visible part of the spectrum ranges from red light with a wavelength of about 720 nm, to violet with a wavelength of about 380 nm, with orange, yellow, green, blue and indigo between. The three different types of colour receptors in the retina of the human eye respond most strongly to red, green and blue wavelengths, giving us our colour vision

    just google it, its more acurate than an answer you’ll get in here

  22. RoRe =D said:

    The water of the ocean is not blue!!!!!!!! the water of the ocean only reflects the blue colour of the sky which is why it looks blue. The sky is blue because that’s just the way it is!!! it’s like asking why the clouds are white or grey when it is going to rain!!!!!!!!

  23. Scarp said:

    The colours of the water and sky is because light is composed of visible radiation of different frequencies. This gives the colours that we see (and is called a spectrum).

    These different frequencies of light bend at different rates when then travel through a substance (air, water, plastic, oil, etc.). It is this bending that causes the colour.

    In the air (atmosphere) there is another component as well. In the atmosphere, there are many substances, different gases and dust. When the light hits these substances, they are reflected and “scattered” (scattering effect) in different amounts.

  24. tyler said:

    the sky is blue because well thats just the colour it is in absorbs the colour blue from light. the ocean (water) on the other hand is actually clear (transparent) but it reflects the colour of the sky (blue) resulting in thw ocean being blue.

  25. rajeev_iit2 said:

    BLUE SKY

    The blue color of the sky is caused by the scattering of sunlight off the molecules of the atmosphere. This scattering, called Rayleigh scattering, is more effective at short wavelengths (the blue end of the visible spectrum). Therefore the light scattered down to the earth at a large angle with respect to the direction of the sun’s light is predominantly in the blue end of the spectrum.

    The strong wavelength dependence of Rayleigh scattering enhances the short wavelengths. Intensity is INVERSLY proportional to fourth power of wavelength.

    Note that the blue of the sky is more saturated when you look further from the sun. The almost white scattering near the sun can be attributed to MIE Scattering, which is not very wavelength dependent.

    OCEAN

    The sky condition can make a big difference, as
    a clear blue sky will be reflected by the water
    as a darker color, whereas a cloudy sky will be
    reflected as a lighter color.

    The depth of the water changes how much light is
    reflected from the sea bottom below. For shallow
    water, such as near a beach, the light reflected from
    the sand below the water will make the water look
    lighter (thus green) than it will look if you are
    in deep water (where little or no light is reflected
    from the bottom, resulting in dark blue water).

    Light is also reflected from the interior of the
    water also, and the color of whatever is in the water
    (seaweed, soil, suspended sand, etc.) will affect
    the color that you see from the water.

    The Sun angle affects the water color also, as less
    light is reflected from the surface, bottom, and interior
    of the water near noontime than is reflected during early
    morning or evening. The water is likely to look darker
    around noontime.

    Not all of the oceans are even the same color, or even the same
    color in different places. Mostly this has to do with what is in
    the water. Near shore, deep currents push up considerable amounts of minerals from the seabeds, and microscopic life florishes. In deeper seas, although by no means devoid of life, the algeal blooms are not present, so there is a clearer view through the water. Different oceans have different mineral content as well, meaning some take on an almost teal appearence, while others may appear more greyish in color.

  26. jenny garcia said:

    b-cuz it reflects off the ocean i think who cares

  27. Shawnda Vilcheck said:

    I think this is one of the most vital information for me. And i am glad reading your article. But wanna remark on some general things, The site style is ideal, the articles is really nice : D. Good job, cheers




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