Across
- 6. they implemented the mandatory education
- 8. famous for the theory of evolution
- 10. term that algebra derived from
- 14. medication that the aztec use to prevent spasms
- 16. used in planning their activities, rituals and planting season
- 17. agricultural tool invented by chinese
- 18. traditional medicine practice by the chinese
- 21. Muhammad ibn Musa al-Khwarizmi's mathematic concept
- 23. the most important invention of chinese
- 25. Author of De revolutionibus orbium coelestium
- 26. Mineral that mayans used in weaving cloth
- 27. knowledge that traced to indus valley
- 28. built hydraulics systems with sophisticated waterways to supply water
Down
- 1. the founder of psychoanalysis
- 2. use to measure length to a high degree of accuracy
- 3. the lunar calendar of african tribe
- 4. Charles Darwin's famous work
- 5. Aztec's agricultural technology that they use in farming
- 7. other medical discovery of Egypt
- 9. they are known for manufacturing iron
- 11. Aztec's tribute to their gods
- 12. result from the experiment of taoist monks that wanted to create a elixir of life
- 13. light narrow boat used for travelling
- 14. they have three types of calendar
- 15. one of the reasons India's known for
- 17. the empire that has paved stone roads
- 19. known for traditional medicines
- 20. a knotted rope that keep records
- 22. medical discovery of Egypt
- 24. by-product of cacao that aztecs use