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Period: 3000 BCE to Dec 31, 1400
Chinese history
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200 BCE
COMPASSES
The first Chinese compasses were pieces of a magnetic mineral called lodestone. Earth itself is like a giant magnet with north and south poles. Because lodestone is magnetic, it is influenced by Earth’s magnetic poles. EXPLORATION AND TRAVEL -
100
BOAT CONSTRUCTION
They started building ships with separate, watertight compartments. Builders divided the ships into sections and sealed each section with caulk, a sealant that keeps out water. If there were a leak, it would be isolated. The other compartments would not fill with water, keeping the ship afloat. EXPLORATION AND TRAVEL -
200
PADDLE WHEEL
Within China, people often traveled by boat on rivers or across lakes. This is an innovation of a vessel that makes the boat go faster. EXPLORATION AND TRAVEL -
Feb 14, 800
CLOCKS
The new clock was more accurate than earlier timekeeping devices, such as sundials and hourglasses. The Chinese devised a wheel that made one complete turn every 24 hours. Dripping water made the wheel turn. Every quarter hour, drums would beat and every hour, a bell would chime. -
Feb 15, 800
GAME CARDS
Printers used woodblock printing to make the cards from thick paper. Famous artists drew the designs that appeared on the backs of the cards. EVERYDAY OBJECTS -
Feb 13, 850
GUNPOWDER
Discovered accidentally by alchemists who were working with a substance called saltpeter. They were looking for something that would allow them to live forever. MILITARY TECHNOLOGY -
Feb 14, 850
PAPER MONEY
Before that time, coins were the only form of currency, but they changed that. Like game cards, paper money was printed with wood blocks.EVERYDAY OBJECTS -
Feb 14, 900
FLAMETHROWER
This was the first weapon ever that would contain gunpowder. The Chinese loaded them with a mixture of gunpowder and oil. They used them to spray enemies with a stream of fire. -
Feb 14, 1300
ROCKET TECHNOLOGY
Rocket technology was developed in China during the Song dynasty. Rockets were powered by a black powder made of saltpeter, charcoal, and sulfur. At first, rockets were used only in fireworks. Later, the Chinese used them as weapons. MILITARY TECHNOLOGY