Four Great Inventions from China

Student:Henry & Vincent Date:15/6/2015Teacher: Ms. Dot

Four Great Chinese Inventions

1. Compass2. Gunpowder3. Paper4. Printing

Celebrated in Chinese Culture

1 Important in history

2 Symbols of ancient China

3 Advanced science and technology

CompassCompassHelps to find directionsHelps to find directions

1 Shows magnetic North and South Pole2 Used to find geographic directions 3 N refers to north5 E refers to east6 W refers to west7 S refers to south

Paper makingPaper making

Also called Cai Hou PaperAlso called Cai Hou Paper

Improved by Cai Lun

Made from silk with bark, torn fishing nets, cloth, plant fibres and linen

Suitable for writing

Printing In Northern China by the 11th century, the common worker Bi Sheng invented ceramic movable type printing.

Tang Dynasty , 868 AD

Gunpowder Discovered in the 9th century by Chinese chemists looking for eternal life.

12th Century

Gunpowder had a level of nitrate capable of bursting through cast iron metal containers

Thank you for watching