Here's a graphing assignment that covers those time periods in China. It does not require any mention of dynasties, but that would be easy to adjust by having students make a color code for the period of time in the Song and Tang dynasties.
I do a "What is it?" lab with my 7th graders using pictures of medieval Chinese inventions. We also do Tai Chi and play with Tangrams. If you're interested, you can find my stuff here: http://mrroughton.com/china.aspx