Ch 17 sec 1

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

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

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

Porcelain

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