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Facts about Ice

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Ice can also present a number of hazards, especially for transportation.

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When ice melts, it absorbs as much heat energy (the heat of fusion) as it would take to heat an equivalent mass of water by 80 °C, while its temperature remains a constant 0 °C.

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Clathrate hydrates are forms of ice that contain gas molecules trapped within its crystal lattice.

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The advent of artificial refrigeration technology has since made delivery of ice obsolete.

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Whenever there is freezing rain or snow that occurs at a temperature near the melting point, it is common for ice to build up on the windows of vehicles.

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The ice can become thick enough to drive onto with automobiles and trucks.

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Ice has a density of 0.9167 g/cmі at 0 °C, whereas water has a density of 0.9998 g/cmі at the same temperature.

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Ice also plays a role in winter recreation, in many sports such as ice skating, tour skating, ice hockey, ice fishing, ice climbing, curling and sled racing on bobsled, luge and skeleton.

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Scientists have discovered 14 different crystalline forms (phases) and several amorphous forms of ice.

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Ice, water, and water vapor can coexist at what is called a "triple point."

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Ices XI, XIII, and XIV are hydrogen-ordered forms of ices Ih, V, and XII respectively.

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Soft rime contains a high proportion of trapped air, making it appear white rather than transparent, and giving it a density about one-fourth of that of pure ice.

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Ice frozen in the stream bed blocks normal groundwater discharge and causes the local water table to rise, resulting in water discharge on top of the frozen layer.

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Until recently it was widely believed that ice was slippery because the pressure of an object in contact with it caused a thin layer to melt.

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The following table summarizes the properties of the various phases of ice.

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Subjected to higher pressures and varying temperatures, ice can form in more than a dozen different phases.

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Amorphous ice is more common; however, hexagonal crystalline ice can be formed via volcanic action.

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Icehouses were used to store ice formed in the winter to make ice available year-round, and early refrigerators were known as iceboxes because they had a block of ice in them.

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The human quest for excitement has even led to ice racing, where drivers must speed on lake ice while also controlling the skid of their vehicle (similar in some ways to dirt track racing).

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Ice can also form icicles, similar to stalactites in appearance, as water drips from a height and re-freezes.

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Far enough below the freezing point, a thin layer of ice crystals can form on the inside surface of windows.

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Until recently, the Hungarian Parliament building used ice harvested in the winter from Lake Balaton for air conditioning.

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So, in humid close-to-freezing conditions, the carburettor will be colder and tend to ice up.

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People use ice to cool their drinks and to make sculptures and other ornamental structures.

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Liquid water is most dense, essentially 1.00 g/cmі, at 4 °C and becomes less dense as the water molecules begin to form the hexagonal crystals of ice as the temperature drops to 0 °C.

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New Englander Frederic Tudor, who became known as the “Ice King,” worked on developing better insulation products for the long distance shipment of ice, especially to the tropics.

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Driving safely requires the removal of the ice build-up.

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Black ice is very difficult to see because it lacks the expected glossy surface.

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Pancake ice is a formation generally created in areas with less calm conditions.

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Ice plays an important role in various natural phenomena, including the water cycle and global climate.

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The density of ice increases slightly with decreasing temperature (density of ice at ?180 °C (93 K) is 0.9340 g/cmі).

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Rime is a type of ice formed on cold objects when drops of water crystallize on them.

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Another consequence of ice's lower density than water is that pressure decreases its melting point, potentially forcing ice back into a liquid state.

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Ice has long been valued as a means of cooling.

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Harbors that are not ice-free are opened up using icebreakers.

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The melting of ice under high pressures is thought to contribute to why glaciers move.

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The ice was then used to chill treats for royalty during hot summer days.

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The ice was brought in during the winters from nearby mountains in bulk amounts and stored in specially designed, naturally cooled refrigerators, called yakhchal (meaning ice storage).

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An unusual property of ice frozen at a pressure of one atmosphere is that the solid is about eight percent less dense than liquid water.

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Ice is the name given to water in the solid state.

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Dry ice, for instance, is a term for solid carbon dioxide.

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Spray and freezing rain can produce an ice build-up on the superstructure of a vessel sufficient to make it unstable and to require the ice to be hacked off or melted with steam hoses.

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When the outdoor temperature stays below freezing for extended periods, very thick layers of ice can form on lakes and other bodies of water (although places with flowing water require much colder temperatures).

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The result is that ice floats on liquid water, an important factor in Earth's climate.

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Ice formed at high pressure has a different crystal structure and density than ordinary ice.

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Ice can also present a variety of hazards, especially for travel.

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Aufeis is layered ice that forms in arctic and subarctic stream valleys.

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Ice scrapers are tools designed to break the ice free and clear the windows, though removing the ice can be a long and labor-intensive process.

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Some temporary shelters, such as igloos, are made of ice.

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To counteract these problems, methods have been developed for de-icing critical surfaces of vehicles and to keep roads, harbors, and airport runways free of ice.

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Simulations of ultrafast laser pulses acting on ice shows it can be heated up to room temperature for an extremely short period (250 ps) without melting it.

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An ancient ice house (yakhchal) in Kerman, Iran, built during the Middle Ages for storing harvested ice.

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Some other substances (particularly solid forms of those usually found as fluids) are also called "ice."

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The result is a stratified ice deposit, often several meters thick.

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The sport has even been modified for ice rinks.

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Everyday ice and snow has a hexagonal crystal structure.

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The most active volcano in Java and also in Indonesia is Mount Merapi (2,914 m).

Polar bears use arctic sea ice as a platform to hunt their favorite food, seals. Unfortunately, climatic warming is rapidly melting the ice. Without it, scientists warn, polar bears will not survive. ... So if the sea ice melts, polar bears will simply re-adapt to living on land, right?Feb 10, 2013

Though ice and snow are both made up of water, there is a difference between the two. Snow is nothing but the frozen atmospheric vapour which falls in winters on earth as light flakes whereas ice is simply frozen water.Dec 3, 2005

Snow is precipitation in the form of ice crystals. It originates in clouds when temperatures are below the freezing point (0 degrees Celsius, or 32 degrees Fahrenheit), when water vapor in the atmosphere condenses directly into ice without going through the liquid stage.

An ice-cream-like food was first eaten in China in 618-97AD. King Tang of Shang, had 94 ice men who helped to make a dish of buffalo milk, flour and camphor. A kind of ice-cream was invented in China about 200 BC when a milk and rice mixture was frozen by packing it into snow.

In its most basic form, ice cream is a mixture of cream and/or milk, sugar and sometimes eggs that is frozen while being churned to create a frozen product. In commercial ice-cream making, stabilizers, such as plant gums, are usually added and the mixture is pasteurized and homogenized.

According to the newest diet featured in Prevention magazine, you can lose weight and eat ice cream once a day, too. The trick is moderation, and eating healthy meals the rest of the day. While on the diet, women may have 1 cup of ice cream, and men may have 1½ cups per day.

Some sources say the ancient Romans invented ice cream, others that Marco Polo brought the discovery back to Italy from China. All agree that Catherine de Medici introduced the French to ice cream when she married the future King Henri II.

"Cream Ice," as it was called, appeared regularly at the table of Charles I during the 17th century. France was introduced to similar frozen desserts in 1553 by the Italian Catherine de Medici when she became the wife of Henry II of France. It wasn't until 1660 that ice cream was made available to the general public.

Despite their similarities, gelato and ice cream actually have a different composition and nutritional value. Gelato is more creamy and dense than ice cream and is often lower in calories, fat and sugar. Depending on the type and portion size you choose, gelato may not always be a healthier option than ice cream.

seventy years