Learn about Chinese money:
http://www.chinatour.com/currency/currency.htm
Current exchange rates:
http://www.xe.com/ucc
Search for China on the Travel Channel site to see videos, read articles and more
http://www.travelchannel.com
How to use chopsticks (with etiquette info)
http://www.youtube.com/watch?v=5Y9HO-c0dxU
The World Factbook has tons of info:
https://www.cia.gov/library/publications/the-world-factbook/geos/ch.html
Student-created China websites:
http://www.thinkquest.org/library/cat_show.html?cat_id=137