Across
- 4. Object made or modified by humans (7 letters)
- 6. A period of one thousand years (8 letters)
- 7. Cultivation of crops and raising of livestock (11 letters)
- 9. People who move from place to place (5 letters)
- 11. A period of ten years (6 letters)
- 14. Material or commodity with value (8 letters)
- 16. Expert who interprets and writes about past events (8 letters)
- 17. To move from one place to another (7 letters)
- 18. A group of people sharing common interests (8 letters)
Down
- 1. Crescent Region in the Middle East known for fertile soil (14 letters)
- 2. Member of the biological family including humans (7 letters)
- 3. A period of one hundred years (7 letters)
- 5. The study of human prehistory through artifacts (11 letters)
- 8. Exchange of goods and services between people (5 letters)
- 10. Studies the Earth's physical features and human populations (9 letters)
- 12. Age Early Stone Age marked by stone tools (15 letters)
- 13. Age Age characterized by agriculture and settled communities (13 letters)
- 15. The ability, skill, or proficiency to perform a task (9 letters)