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what is submarine?
fun fact on submarine for kids
how submarine work?
invention of submarine

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A submarine is a vessel or special kind of ship that has the ability to go underwater. It looks quite like a huge whale. These ships are mostly used by the military and scientists to travel deep under the water to protect our country during war or for research purposes. Submarines used by the military are large vessels which have the capacity to accommodate around 100 people as well as war weapons such as missiles and torpedoes. Contrarily, scientists and explorers prefer the smaller submarines to conduct their research studies underwater.The power sources that help operate submarines are usually an engine, batteries, and nuclear power. It can also be a combination of these three. What are the two most important things that help a submarine work? One is the ballasts and the other is the sonar equipment technology. Let’s discuss what these are. Ballasts are these large tanks within a submarine which hold water. The movement of water in and out of them helps the submarine rise or sink. Deep seas and oceans are dark, so how do submarines find their way? This has been made possible by sonar equipment. Sonar emits a sound wave which when hits an object bounces and returns a signal to the submarine. This is how the military is able to locate enemy submarines in wartime. 

Read ahead to know about this amazing invention!Cornelis Drebbel was the first to invent a submarine in the year 1620. It was a rowboat covered in leather and could achieve a depth of about 15 feet or 4.5 metres. In 1766, David Bushnell invented a submarine that was used during the American Revolution.1800 saw the birth of Nautilus, a submarine built by Robert Fulton that was used for attaching explosives to ships.Diesel-electric submarines were used during the First World War and Second World War by the militaries. The first nuclear-powered submarine, named USS Nautilus, was introduced in 1954 by the U. S. Navy.


Fun Facts on Submarines for Kids

Kids Having Fun in a SubmarineHere’s an interesting list of some cool but fascinating

facts about submarines.Submarines can reach thousands of metres below the surface of the
sea or ocean.
Submarines have the ability to stay underwater for several months.
A novel named Twenty Thousand Leagues Under the Sea by French writer Jules Verne tells the story of the submarine Nautilus.
Submarines use a periscope to view what is happening above the water.
 Your favourite sub sandwich or submarine sandwich is named so because of its resemblance to the shape of a submarine.

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