This "stone" is a magnetic mineral that was used to make the very earliest types of compasses.

This instrument would help sailors to navigate in the open sea.

This type of construction made sea travel even safer so that ships would not sink.

This type of boat made travel by river or across lakes easier. It also made this travel faster.

This invention made it possible for Chinese to navigate rivers that flowed through land that sloped up (or down).

The Chinese bridge used arches that were a smaller part of a circle. This type of Chinese bridge is called an ____

Earliest Chinese paper was probably made from these two materials.

This type of printing involved drawing whole symbols or illustrations on to a block.

This type of printing consists of separate blocks for each character on a page.

This drink was first cultivated in China.

This material used for making beautiful pottery is made from clay, quartz and feldspar

To produce many, many pieces of a product, the Chinese starting using this method of making objects.

The Chinese learned that blowing air bubbles into molten, or melted, cast iron causes a chemical reaction that creates this type of metal.

This material, first made by alchemists in China, was an attempt to make a product that might allow people to live longer.

By the 10th Century, Chinese were first using weapons that used this material.

The Chinese used a "two stage" form of this weapon to drop arrows unto enemy forces.

In the 9th Century, Chinese used woodblock printing to invent the earliest forms of this recreational activity

Woodblock printing was to develop this in order to make business and commerce easier than using coins.

The Chinese devised a wheel that made one complete turn every 24 hours. This became the first one of these common items.

Poisonous smoke was used by early Chinese medicine men as a form of this.

About the 10th Century, the Chinese discovered that people could do this to as prevention from small pox.