Mesoamerican Civilizations

1. Knotted string or rope used by the Incas for storing information.
3. In math the Maya used the concept of _________
6. The only civilization we are learning about in South America.
10. Without the wheel the Incas used these to relay messages along their roads.
12. Aztec civilization flourished until __________ conquest.
13. In order to farm in the mountains the Incas had to use ________farming.
16. The Incan structures and stonework had to be able to stand up to many of these natural disasters.
17. Civilization active between 300-900 AD/CE
18. Aztecs demanded this from their neighbors as a payment or tax.
19. Even older than the Maya were the __________
20. Aztec physicians could set broken bones and fill these in teeth.

2. These were the talest structures in the Americas until 1903.
4. Agricultural products and this activity was the basis of the Mayan economy.
5. The maya cleared large amounts of this to make way for farming.
7. Mayan books were made from ____________
8. Aztec capital built in the middle of a lake.
9. Capital city of the Incas.
11. The Incas built twelve thousand miles of these through out their empire.
14. The maya were not an empire they were a collection of _______________
15. The Aztec built these to get to their capital city.