Chinese Discoveries and Invenions Ch. 18 HISTORY ALIVE!
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Lodestone
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A magnetic mineral used to make the first magnetic compasses.
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Canal lock
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A gated chamber in a canal used to raise or lower the water level.
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Paddlewheel Boat
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a ship with a series of paddles in a wheel that pushed the boat through the water
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Segmental Arch Bridges
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a bridge supported by arches that are shallow segments (parts) of a circle
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Movable Type
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individual characters made of wood or metal that can be arranged to create a job for printing and then used over again
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Porcelain
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A hard, fine grained white ceramic ware fired at high temperatures
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Mass Produce
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To make similar items in quantity by using standardized designs and dividing labor among workers
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Woodblock Printing
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A type of printing in which text is carved into a block of wood and the block is then coated with ink and pressed on the page.
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Gun powder
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an explosive powder made of saltpeter and other materials
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Alchemy
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A combination of science, magic, and philosophy that was practiced in medieval times.
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Catapult
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a slingshot-like war machine used for shooting rocks, shells, and other objects
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Inoculate
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to protect against disease by transmitting a disease-causing agent to a person, stimulating the body's defensive reactions
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Immune system
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the body's system of defense against disease
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Vaccine
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A substance used to immunize people against a disease
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How was the compass useful in the medeval times?
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Made travelling easier, led people in the right direction
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How did ship compartments make travelling easier, safer, and faster?
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If there was a water leak, the ship would not drown, only the compartment would get leaked..
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How did paddle wheel boats make travelling in lakes and rivers easier?
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Made travelling quicker.
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What did segmental arch bridges do to make travelling within China easier?
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It gave way for boats and ships to pass.
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How did canal locks make travellig within China easier?
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It evened out land and gave way for the boats to pass..
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How did paper become a industry in China?
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-The Chinese were the first to invent it - For 500 years, only the Chinese knew how to make it. - First made of wood, then rags.
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Describe printing in China. First woodblock, then movable type
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-Woodblock: From the first century; had woodblock priinting industries - Movable type: lower the cost of printing; made written information more available.
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How did prorcelain become a popular industry?
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- Had mass produces - Prized for trade
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Why was steel a major industry?
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- Made from iron - Less brittle than iron
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Why was gunpowder such an important invention?
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-It was a huge military advance - Used to make weapons; granades, bombs, rifles and canons. - Rockets first used for fire crackers then weapons.
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Explain how woodblock printing made it possible for the invention of everyday objects such as playing cards and paper money
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- Made printing easier - Woodblock printing allowed one to produce playing cards and paper money quickly in mass quantities
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How did the Chinese discoveries of innoculations and vaccines help prevent diseases?
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- By taking a disease producing substance and exposing it to a person, ones body would build immunity to a disease. - By doing this less people would become sick and spread the disease. This knowledge led to development of vaccines.
