Across
- 3. Asian people who invented the alphabet
- 8. A warlike people in today's Iraq
- 9. They built big towers
- 10. There are many scientists and inventors among them
Down
- 1. Famous conqueror, Alexander the Great
- 2. They lived in ancient America and built pyramids
- 4. They built pyramids
- 5. Mounted warriors
- 6. Their empire extended to Europe, Asia and Africa
- 7. They invented gunpowder, paper, silk