Medieval Innovations

2. Allowed books to be mass produced
4. A machine used in ancient wars that threw objects with great force
6. innovation in warfare designed to increase the ability to conquer and gain power
8. Specialized engine, constructed to protect soldiers and ladders while approaching the defensive walls of a castle
10. Changes in farming by making it more efficient
11. They took an oath towards a lord or King. The oath was a type of promise to fight for the lord at his command, and the lord agreed to give the knight land and payment
12. Cannon Weapon used to destroy enemies and castle walls
13. It was a place where people read magazines, newspapers and exchange ideas
14. an arched stone support on the outside of buildings, which allows builders to construct higher walls
16. Told time and helped to organize people's daily activities
18. A tiny room with a seat pierced by a hole through which the waste dropped into a moat or straight to the ground
19. Improved people's vision for the first time
20. permitting the turning of heavy northern soils, rotating crops, and increased agricultural production
21. An instrument used by sailors to determine their location by observing the position of the stars and planets

1. Increased food production
3. Innovations at are useful for changing scientific research or practices
5. A wheel that a person walked in, that was connected to a pully system. Used to bring heavy loads of stone for construction of castles and cathedrals
7. Inventions bringing change to technology
9. Uses water to generate motion
12. a large building or group of buildings fortified against attack
15. Innovation that creates solutions to problems
17. Location where people could read and gain informtion