1. Ch17 sec 1

2. Invention • Travel by Sea • Create compass—lodestone • Help sailors navigate and know which way they are going • Ships • Water tight • Invent caulk and compartments • Paddle Wheel boat to travel up river

3. Invention (con’t) • Canal Lock—raise and lower water and boats • Segmental Arch Bridge- allowed to be flatter and boarder than ones in Rome • Less material and stronger

4. Industry • Paper 1st to make • Used mulberry bark • Slowly traveled around the world • Printing • Woodblock Printing pg 198 • Movable type, separate blocks for each character • Place in flame • Lowers the price of printed goods • Used until recently

5. Porcelain • Combine clay, rock quartz, and feldspar • Baked hard and water proof