Across
- 4. This invention is significant as it aided to explore the oceans and trade
- 6. Was invented during 1500 BCE in the Indus Valley civilization
- 8. They were the most respected people in Arabic civilization
- 9. This was used as javelin by the Ancient Roman army
- 11. This civilization started on 753 BC and ended on 476 AD
- 12. These machines were common but Romans were the first to put ballistas in carts for better mobility
- 16. This is one of Arabic’s contributions to mathematics, the word came from Arabic “al-jabr” which means “reunion of broken parts"
- 17. This is the first dynasty in Ancient China
- 18. This has been used in Roman buildings as a strong base foundation
- 19. This civilization was first mentioned in the mid-9th century BCE
- 20. It is a heavy crossbow-like weapon used to shoot arrows and darts at enemies
Down
- 1. his was found in the 9th century when a Chinese alchemist searched for an elixir of immortality
- 2. This invention contributed to the spread and development of the Chinese civilization
- 3. Were used to determine the exact time of sunrise and sunset as well as the fasting period during Ramadan
- 5. This civilization might’ve declined because of climate change
- 7. These weights were discovered in all graduated size that is according to the Harappan binary weight system
- 10. These were built with the help of China with the invention of paper
- 13. Indus Valley civilization is very famous for discovering various methods of this
- 14. These buttons are made from seashells during 2000 BCE in the Indus Valley civilization
- 15. This literally means Central State or the Middle Kingdom