Across
- 3. A good quality that helps crops grow
- 5. Very large
- 7. A time before writing
- 12. When water covers the banks of a river
- 13. City nearest the pyramids
- 15. Something grown in the ground
- 16. Where the River Nile flows into
- 17. Another name for person
- 19. A solid material made inside the earth, often gold, silver or salt
- 20. A time when humans made most tools from stone
- 22. Money given to the government
- 24. The side of a river covered in soil
Down
- 1. To grow and do well
- 2. A type of plant used to make linen cloth
- 4. A large hole in the ground to store water
- 6. Scientist who studies human history
- 8. Longest river in the world
- 9. Wise human
- 10. When people have an organized government and make cultural advances
- 11. Something that helps us understand an event or thing
- 14. To give crops water by digging channels
- 15. A long ditch in the ground to carry water
- 18. A triangle-shaped piece of fertile land where the river splits and flows into the sea
- 21. A man-made object which has historical importance
- 23. Rich soil left on river banks
