Han Dynasty

1. a large complex political organization that operates under a set of rules and conditions
4. Agricultural tool that helped farmers move water from low areas to high areas
6. a style of writing that mimics the flow of nature
8. a weapon made from wood, string and an arrow
9. A series of rulers from the same family
10. Chinese doctors discovered that humans have a ____, which is caused by the heart pumping blood throughout the body.
12. this invention replaced silk and bamboo as something artists and scholars wrote on.

2. Chinese method of balancing yin and yang by sticking thin needles in specific areas of the skin
3. this invention was used in warfare to send messages and scare enemy soldiers.
4. a scientific device that finds north, south, east and west
5. Plows, swords and armor were made from this kind of metal
7. a business that makes a specific product, like silk.
11. this trade item was important to preserve food like meat and vegetables.