What did paper money replace?
What is Copper coins
Steel was created in China before _____ B.C.E.
What is 200 B.C.E.
Paper was made during the ____ Century
What is the 7th Century
Game cards were made during the ____ century
what is the 9th century
Rocket technology was developed in China during the____________
what is the song dynasty
Paper money was made during the ____ Century
What is the 8th Century
Steel is made out of iron, but the Chinese learned that________molten, it causes a chemical reaction that changes the properties, thus leading to the creation of steel
What is by blowing air
The Chinese invented a technique called_________
What is wood block printing
Rockets were made out of__________________
What is saltpeter, charcoal, and sulfur
After the spread of Buddhism, The Chinese used _____ for statues
what is Copper