Across
- 4. Used in modern day world to fire firearms.
- 6. Chinese invented ________ folding form about 3000 years ago.
- 8. Invented in 1161, used to blow up stuff.
- 9. Invented about 6000 years ago. Used in the name ____ road.
- 10. You can fold an airplane out of this invention.
Down
- 1. Invented in 1498 and we are still using this to this day to brush our teeth.
- 2. A board game, that was invented while the Song Dynasty were ruling over China.
- 3. Without this, there would be no sea transportation.
- 5. We are drinking this every morning!
- 7. Its used in modern day world to blow up stuff and fly people to the Moon.