Across
- 1. Egyptians developed a method of preserving bodies for the afterlife (9 letters)
- 4. The Romans built long channels to carry this essential resource to their cities (5 letters)
- 5. A form of ancient writing carved into clay tablets in Mesopotamia (7 letters)
- 6. An early form of paper made from reeds used by ancient Egyptians (7 letters)
- 8. Greeks developed a machine to predict solar and lunar eclipses (9 letters)
- 10. A giant structure built in Alexandria to help sailors find the harbor (10 letters)
- 12. Chinese invention used to make cloth (5 letters)
Down
- 2. Early tool used for calculations in ancient Greece and Rome (6 letters)
- 3. Ancient Chinese invention that helped sailors navigate by showing direction (7 letters)
- 5. The Romans invented this material for building, which is still used today (9 letters)
- 7. Ancient Egypt is famous for building these massive tombs (7 letters)
- 9. Early Greek thinkers who used reasoning to explore natural phenomena (9 letters)
- 11. Ancient people used this combustible substance for lighting and heating (3 letters)