Why the water is blue?

The ocean acts like a sunlight filter.
The ocean is blue because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the blue part of the light spectrum for us to see.
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Why is water really blue?

The blueness in water is not caused by the scattering of light, which is responsible for the sky being blue. Rather, water blueness comes from the water molecules absorbing the red end of the spectrum of visible light.
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Why is water blue when it is clear?

People often mistakenly think that the sea is blue because it reflects the sky, but the truth is that pure water is very slightly blue. It is just so pale that in small quantities it appears clear. Water is blue because it absorbs red, yellow and green light, but scatters blue light.
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Is water blue because of oxygen?

Most of the color you see this way is due to water impurities -- even purified water has dissolved oxygen which can form very light blue complexes. Finally, even small particles of dust (which aren't colored) in large volumes of "clear" fluids will have a bluish cast due to the physics of light scattering.
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Is water blue because of the sky?

The short answer is that the sea is blue because of the way water absorbs light, the way particles in the water scatter light, and also because some of the blue light from the sky is reflected.
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Why Is the Ocean Blue?



Why Earth looks blue from space?

When sunlight reaches the water; the water absorbs, lights of all colors in the white light and reflects only blue light. Thus, the earth from space appears blue. If the water absorbs all colors and reflects only yellow, then it would appear yellow.
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Why sea water is salty?

The two ions that are present most often in seawater are chloride and sodium. These two make up over 90% of all dissolved ions in seawater. The concentration of salt in seawater (its salinity) is about 35 parts per thousand; in other words, about 3.5% of the weight of seawater comes from the dissolved salts.
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Why do oceans look blue?

The ocean is blue because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the blue part of the light spectrum for us to see. The ocean may also take on green, red, or other hues as light bounces off of floating sediments and particles in the water.
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What gives water its color?

The hue of water is an intrinsic property and is caused by selective absorption and scattering of white light. Dissolved elements or suspended impurities may give water a different color.
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What mineral makes water blue?

But the culprit for the beautiful blue is the limestone! Limestone is composed primarily of calcium carbonate (CaCO3) and is white in color. As the river breaks down this rock into tiny crystals, these crystals will get mixed up into the water.
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How do you make blue water?

Make your own natural liquid food dye from fruits or vegetables.
  1. Strawberries or raspberries produce different shades of pink.
  2. Tomatoes can give you a nice red color.
  3. Leafy greens like spinach can be used to color water green.
  4. Pureeing red cabbage and then adding a little bit of baking soda produces a blue color.
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Why is tropical water so blue?

The Caribbean is such a light a shade of blue due to the tendency of the Caribbean coast to scatter sunlight. The fact that the sand is light colored and the water is relatively shallow also makes the water appear turquoise.
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What color is sea blue?

The color sea blue with hexadecimal color code #006994 is a medium dark shade of cyan. In the RGB color model #006994 is comprised of 0% red, 41.18% green and 58.04% blue. In the HSL color space #006994 has a hue of 197° (degrees), 100% saturation and 29% lightness.
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Is your blood blue?

It's red because of the red blood cells (hemoglobin). Blood does change color somewhat as oxygen is absorbed and replenished. But it doesn't change from red to blue. It changes from red to dark red.
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Why is sea water green?

When the water looks especially green, it means there are a lot of microscopic algae (called phytoplankton) growing near the surface. Phytoplankton get energy from sunlight, just like plants do. Phytoplankton blooms commonly occur in the spring, when the days being to lengthen.
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What color is mirror?

A mirror might look silver because it's usually depicted that way in books or movies. However, it's actually the color of whatever is reflected onto it. A perfect mirror has specular reflection, meaning it reflects all light in a single direction equal to what it receives.
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Why are lakes blue?

Blue water lakes

Water molecules absorb longer, visible wavelengths (e.g. red light, 600-700 nm) while shorter, blue wavelengths (< 500 nm) pass deeper into the water column. These short wavelengths scatter to create a deep blue color in clear lakes.
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Why are some rivers blue?

They change all the time because of fluctuations in flow, concentrations of sediments, and the amount of dissolved organic matter or algae in the water. For example, yellow-tinted rivers are typically sediment-laden but low in algae. Blue water, which is usually easier to see through, has little algae and sediment.
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Why is sky blue?

The sky is blue due to a phenomenon called Raleigh scattering. This scattering refers to the scattering of electromagnetic radiation (of which light is a form) by particles of a much smaller wavelength.
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Why is ocean green or blue?

Oceans appear blue because the sunlight scatters across the molecules. Light from the sun is made up of a spectrum of different wavelengths. The longer wavelengths appear to our eyes as the reds and oranges, while the shorter ones appear blue and green.
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Which ocean is green?

Sometimes the ocean appears other colors besides blue. For example, the Atlantic off the East Coast of the United States usually appears green. This is due to the presence of algae and plant life.
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Why is ocean water red?

The name “red tide” comes from the fact that overgrown algae can cause the water to change color. Red tides can be hazardous to human health and sea life. A red tide occurs when certain types of algae—plant-like organisms that live in the water—grow out of control.
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Does saltwater freeze?

Ocean water freezes just like freshwater, but at lower temperatures. Fresh water freezes at 32 degrees Fahrenheit but seawater freezes at about 28.4 degrees Fahrenheit , because of the salt in it.
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What is ocean name them?

Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic.
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Why is rain not salty?

The answer is that the rain does indeed come from the ocean. But as the seawater evaporates under the hot tropical sun, and moves up into the atmosphere as water vapor, it leaves its salts behind. It's just like distilling water by boiling it, capturing the steam and condensing it again as a liquid.
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