5th Mickelsen/Abdusalam

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Writing

1700 bc

Symbols were carved on oracle bones and tortoise shells, these are thought to be the first true Chinese writing.

http://t1.gstatic.com/images?q=tbn:ANd9GcRTsJ3EeiqmzTMeildiIB_wPptyZAkOt6d9hQDnQqUNsQramy3w8Q

shang dynasty

1600 bc - 1046 bc

Zhou Dynasty

1045 bc - 256 bc

Warring State

255 bc - 222 bc

Greaat wall of China

221 bc

The construction involved the forced labor of hundreds of thousands of people, many of whom died from the harsh working conditions and were buried in the wall itself.

Qin Dynasty

221 bc - 206 bc

Han Dynasty

205 bc - 220 ad

Abacus

100 ad

Counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes.

Movable sails and Rudder

100 ad

Chinese shipbuilders invented the stern post rudder and watertight compartments for ship's hulls.

http://t1.gstatic.com/images?q=tbn:ANd9GcRbrHhX9P69GgDQPGtGVQ7mQsgPkXKy30yOCgc9gnjBXBExrLBM

Gunpowder

200 ad

Chinese scientists discovered that an explosive mixture could be produced by combining sulfur, charcoal, and saltpeter.

Coal & Iron Refining

400 AD

This expertise allowed the production of pots and pans with thin walls. With the development of annealing, ploughshares, longer swords, and even buildings were eventually made of iron.

Magnetic Compass

500 AD

enabling them to navigate without stars in view

Canals & Locks

600 ad

Imperial China's construction of waterways to connect different parts of its vast territory produced some of the world's greatest water engineering projects.

http://www.bing.com/images/search?q=canals+locks&qs=AS&sk=&FORM=QBIR&pq=canals%20%26%20locks&sc=8-14&sp=1&qs=AS&sk=

Porcelain

600 ad

He added other types of clay to produce the first white porcelain, which he sold as 'artificial jade' in the capital Chang-an.

http://www.bing.com/search?q=great+wall+of+china&form=MSNH14&qs=AS&sk=&pq=great+wall+of+&sp=1&sc=8-14#/images/search?q=porcelain&qs=IM&sk=IM1&sc=8-9&pq=&sp=2&form=QBIR&shash=1x0y0

Mechanical Clock

725 ad