13 edited four great inventions by china henry and vincent
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Four Great Inventions from Ch ina Student:Henry & Vincent Date:15/6/2015 Teacher: Ms. Dot
Transcript of 13 edited four great inventions by china henry and vincent
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
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