Across
- 2. - A time label meaning “Anno Domini,” used for dates after the birth of Christ
- 6. - A person who lived by hunting animals and gathering wild plants
- 7. - The space of time between two dates on a timeline
- 9. - The wedge-shaped writing of ancient Sumer
- 13. - Rich soil left behind after a river floods
- 14. - A stepped temple in the center of a Sumerian city
- 15. - Flat open land near the rivers where farmers later settled
- 17. - A ditch, sometimes filled with water, dug around city walls for defense
- 18. - A man-made water channel used for farming
- 19. - The study of what happened in the past
- 20. - A metal made by mixing copper and tin, used for tools and weapons
- 23. - Having enough food produced year after year
- 25. - A person who studies and writes about the past
- 27. - The main line of latitude at 0 degrees
- 31. - Working together to keep canals clear and water flowing
- 32. - Imaginary lines that run north–south and measure distance east or west of the prime meridian
- 33. - Extra supply of food beyond what is needed right away
- 35. - A line that shows events in the order they happened
- 36. - A crescent-shaped region in the Middle East where farming began
Down
- 1. - A city with its own government and surrounding farmland
- 2. - The practice of growing crops and raising animals
- 3. - An object made or used by people in the past
- 4. - Barriers built around a city to protect it
- 5. - A raised bank of earth built to keep rivers from flooding
- 8. - A time label meaning “Before Christ,” used for very old dates
- 10. - A person who moves from place to place in search of food
- 11. - “Land between the rivers,” where some of the first cities grew
- 12. - One of the two main rivers of Mesopotamia
- 16. - Bringing river water to fields through canals and ditches
- 20. - A time label meaning “Before Common Era,” another way to say BC
- 21. - The other main river of Mesopotamia
- 22. - Imaginary lines that run east–west and measure distance north or south of the equator
- 24. - A pointed weapon on a long stick used by Sumerian soldiers
- 26. - Low hills at the base of mountains where early farmers once lived
- 28. - A person who learns about the past by digging up artifacts
- 29. - The main line of longitude at 0 degrees
- 30. - A farming tool pulled by animals to turn soil
- 34. - A time label meaning “Common Era,” another way to say AD
