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Period: 200 to Feb 11, 1400
CE
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250
Exploration and travel, compass
The Chinese made compasses by getting a pice of magnetic material. The magnetic material they used is called lodestone. They used the compass to navigate at sea. -
450
Exploration and travel, paddlewheel boat
The paddlewheel boat was used to sail on rivers, canals, and lakes. The paddlewheel boat made water travel much faster. They are much easier to steer. -
Feb 16, 618
Exploration and travel, Bridges
The arched bridge helped a lot in china. It took up less material and the bridges were stronger. Also the bridges were broader and flatter. The segmental arched bridge was a huge revalution in china. -
Feb 12, 750
Everyday objects, mechanical clock
The mechanical clock is much more acurate than the other clocks of the time. It made a complete turn in a circle every 24 hours. Dripping water made the clock turn. -
Feb 11, 850
MIllatary, Gun Powder
Gun powder was made by alecumist tryiny to make a entreal life substance with salt peter, but by acident they made gun powder. -
Feb 12, 850
Everday objects, paper money
The paper money was made with wood printing blocks. Untill paper money the only curency was coins. Now paper money is the most common curency in the world. -
Feb 12, 850
Everday objects, game cards
The game card were made with wood block printers on thick paper. Then famous artist would add designs to the cards. -
Feb 12, 950
Millatary, flamethower
The flamethrower was the first chinese weapon that used gunpowder. The flamethrower works with a mixture of gunpowder and oil. The chinese used flamethrowers to spray there enemies with fire. -
Feb 11, 1300
Millatary, Rockets
The Chinese invented rockets. At first they used them in fireworks but than they used them for war.
