Chinese Inventions

Industry: Steel

200

Steel is made from iron, but it is less brittle than iron and easier to bend into different shapes. The earliest Chinese steel was made from cast iron. The Chinese were the first to learn how to make cast iron by melting and molding iron ore. Later they learned that blowing air into molten, or melted, cast iron causes a chemical reaction that creates steel. Steel is a great deal stronger than iron.

Chinnese History

Period: 200 to Feb 11, 1400

Industry: Printing

Jun 11, 700

In the 7th century Chinese invented woodblock printing. They would first draw chacaters or symbols on a peice of paper then, they would of glued it on the woodblock. When the glue was dry they would carve around the chaacater. The way they would print it by covering it in black ink. They would spread out the paper and smooth it. Some artist still use woodblock printers. In the 10th century Chinese started to print modern-day style books with pages.

Industry: Tea

May 31, 800

For sereval thousands of years, tea, made by leaves steep in boiling water but mostly it would of been druck for medicine. But soon tea has been getting druck in China mostly every day. A famous writer, Lu Yu, wrote a book about drinking tea. Tea farmers grow small tea trees or shrubs on high ground—usually above 4,000 feet. When the trees are ready for harvest, only new-growth leaves are picked by hand. Then the tree is cut back so it will grow new leaves for the next harvest.

Military: Saltpeter

Dec 1, 850

Chinese has belived that saltpeter was used throughout life. Perhaps by accident, they discovered that it could be used to make an explosive powder. In 850 BC, Chinese used the formula for gunpowder during the dynasty Tang. They warned others to avoid it because it was extremely dangerous.

Disease Preventions: Inoculate

Aug 4, 1000

Chinese discovered how to inoculate people against smallpox, a dreaded infectious disease. Inoculation is a way of stimulating a person’s immune system to fight a particular disease. It works by exposing the person to a disease-carrying substance. To inoculate people against smallpox, Chinese physicians took a small part of a scab from an infected person and made it into a powder. Then they inserted the powder into the nose of the person they wanted to immunize, or protect against the disease.

Everyday Objects: Mechanical Clocks

Apr 2, 1092

Mechanical clocks were first invented in the 8th century. Chinese devised a wheel that made a complete turn in 24 hours. They would drip water to make the clock turn. Every quater hour drums would of beated, and every hour a bell would of chimed. The noisy made people know what time it was. Later in the 1200 the Europeans had develop their first mechanical clock. Like the Chinese clocks, every hour the bell would of rang. Later the dials and handles were added. Now clocks are very common.

Industry: Paper

Nov 24, 1100

Paper was made in the second century C.E. The earliest Chinese paper made was from hemp and then the bark of a mulberry tree, later they used rags instead. Papermaking became very common in the industry of China. More than 500 years, Chinese people were keeping papermaking a sercet. From China, papermaking has been very common in Central Asia and Japen too. Now paper is very common all around the world.

Everyday Objects: Paper Money

Feb 17, 1107

Paper money was invented in the 8th century. Before paper money, people used coins. Like playing cards the money was made by wood blocks. Song printers were used to copy the bills. A single bill had alot of colors. Right now paper money is very common in the world.

Every Day Objects: Game Cards

Feb 11, 1300

Artist drawed the designed that appeared on the back of the cards. The printers had to print by using woodblocks to print thick paper of the cards. Europeans had presented it in the late 1300's. They were created in the 9th century.