Chinese Discoveries and Chinese Discoveries and InventionsInventions

18.2 Exploration and 18.2 Exploration and TravelTravel

 CompassCompass Early Chinese compasses were Early Chinese compasses were

made of a rock called lodestone, made of a rock called lodestone, which, when floating, points which, when floating, points

north-south.north-south.

The Chinese eventually replaced The Chinese eventually replaced it with a steel needleit with a steel needle

Lodestone Lodestone CompassCompass

Compasses still help travelers Compasses still help travelers navigate.navigate.

18.2 Exploration and 18.2 Exploration and Travel Travel

 

Canal LockCanal LockThe canal lock allowed boats to The canal lock allowed boats to

pass from one level to another in pass from one level to another in a canal.a canal.

Passing the locks Passing the locks at the Grand Canalat the Grand Canal

Canal locks are still used on Canal locks are still used on modern canals, like the Panama modern canals, like the Panama

CanalCanal

18.3 Industry18.3 Industry 

Movable Type Movable Type Movable type uses separate Movable type uses separate

block for each character.block for each character.

Printers made characters out of Printers made characters out of clay, baked them, and then clay, baked them, and then

placed them in an iron frame.placed them in an iron frame.

Early Chinese Early Chinese moveable blocksmoveable blocks

Until recently, all newspapers, Until recently, all newspapers, books, and magazines were books, and magazines were printed using movable type.printed using movable type.

18.3 Industry18.3 Industry 

PorcelainPorcelainPorcelain is a form of pottery of Porcelain is a form of pottery of

great beauty that some great beauty that some historians think was developed in historians think was developed in

the first century A.D.the first century A.D.

Porcelain was mass-produced.Porcelain was mass-produced.

Porcelain, circa Porcelain, circa 1600 A.D.1600 A.D.

Fine dishes are still called Fine dishes are still called “china” after fine porcelain.“china” after fine porcelain.

18.4 Military Technology18.4 Military Technology 

GunpowderGunpowderThe discovery of gunpowder The discovery of gunpowder

made possible the development made possible the development of powerful weapons.of powerful weapons.

Gunpowder may have been Gunpowder may have been discovered by accident by people discovered by accident by people

looking for a way to extended looking for a way to extended life.life.

Gunpowder changed the way Gunpowder changed the way wars were conducted around the wars were conducted around the

world.world.

18.5 Everyday Objects18.5 Everyday Objects 

Paper MoneyPaper Money Paper money replaced coins.Paper money replaced coins.

Paper money was printed with Paper money was printed with wood blocks using many colors wood blocks using many colors

on each bill.on each bill. Circa Circa 13781378

Paper money is the most common Paper money is the most common form of currency today.form of currency today.

18.5 Everyday Objects18.5 Everyday Objects 

Mechanical ClockMechanical ClockThe mechanical clock had a wheel The mechanical clock had a wheel that made one revolution every that made one revolution every 24 hours. Dripping water turned 24 hours. Dripping water turned

it.it.

Every quarter hour drums would Every quarter hour drums would beat, and every hour a bell would beat, and every hour a bell would chime so people knew what time chime so people knew what time

it was. it was.

Modern mechanical clocks are Modern mechanical clocks are based on the same principles as based on the same principles as

early Chinese clocks.early Chinese clocks.

18.6 Disease Prevention18.6 Disease Prevention 

Small Pox Small Pox Inoculation Inoculation

The Chinese developed a way to The Chinese developed a way to inoculate people against inoculate people against

smallpox.smallpox.

They made a powder from the They made a powder from the scab of an infected person and scab of an infected person and inserted it into the nose of the inserted it into the nose of the person who wanted protection.person who wanted protection.

There are vaccines for many There are vaccines for many diseases.diseases.

Other Inventions and Other Inventions and DiscoveriesDiscoveries

 PaddlewheelPaddlewheel

BoatsBoatsPlaying Playing CardsCards

WatertightWatertightCompartmeCompartme

ntsnts

Segmented Segmented ArchArch

BridgesBridges

WoodblockWoodblockPrintingPrinting

Steel Steel ProductionProduction

ArtilleryArtilleryShellsShells CatapultsCatapults

RiflesRifles CannonsCannons FlamethrowFlamethrowersers

DisinfectantDisinfectantss

(Boiling to (Boiling to kill germs)kill germs)