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Disease prevention was created by the Chinese in the 1st century. Today we know that many diseases are caused by germs. We have prevented diseases by using disinfection substances such as chlorine bleach.
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The Chinese invented gunpowder in the 850 B.E. Gunpowder was discovered by accident and they discovered it could be used to make an explosives. In the 11th and 14th century the Chinese created many different weapons with gunpowder.
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The Chinese created the compass in the 3rd century B.C.E. The compass is a tool that points north, south, east and west . They originally used Lodestone. Lodestone is a magnetic mineral that will turn until it points north or south. Eventually the Chinese replaced Lodestone with a steel needle to get a better reading
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The Chinese discovered they could use steel and iron as a tool in the 18th century. Steel is used for multiple things like roads and railways. Iron is not much different from steel but steel is less brittle than iron and easier to bend.
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The Chinese created the clock in the 8th century. The clock was created for telling time. they used a wheel that would move every 24 hour and a bell to tell the time. .
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The Chinese created tea in the 8th century. They have been drinking tea for several thousand years. Tea was mostly used as medicine. Bu the 8th century tea had become very popular throughout china.
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The Chinese created porcelain in the 1st centenary. The Chinese made porcelain out of clay with the minerals quartz and feldspar. The Chinese were making beautiful porcelain.
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The Chinese created game cards in the 9th century. Game cards are used to entertain people and to occupy people. The cards were made on thick paper using wood block printing.
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The Chinese created the rocket 1300. Rockets were used for military but at first they were used for fire works. They were used as missiles in the military. They were invented in China during the Song dynasty.
