Chinese Civilization

began writing about 1500 BC known for animal bones ( orale bones)

decimal or base ten system

the first recorded observations comets solar eclipses were done in china invented

wooden circle with markings on the magnetic spoon on the top used for religious purposes

it was made by micing sulphur, charcoal, and potassium nitrate.

bamboo cases filled with gun powder with a fuse on the side.

bamboo and silk

zhang heng invented the earthquake detecting tool called seismoscope

a bow set horizontally on a stock

bamboo spines that stick out shape of a semicircle with silk wrapped around it

their early script contained 80,000 different characters

were used by farmers to plant seeds into the soil at uniform depth

major development in ancient chinese agriculture

made in special white clay which has alot of kaolin in it

made from cogoons of silkworms

basically hand driven vehicles with two handles on the rear side