Across
- 5. Old Stone Age, wandering in search of food, hunting and gathering.
- 6. A model of the universe in which the Earth is at the center of the revolving planets and stars.
- 9. A group of related families.
- 10. An object made by a human being, typically an item of cultural or historical interest.
Down
- 1. Navigational instrument for finding directions.
- 2. Use a test to find and hire the best officials.
- 3. A model of the solar system in which Earth and the other planets revolve around the sun.
- 4. Centers of early civilization because they contained rich soils from annual floods.
- 7. Raised fields constructed along lake shores in Mesoamerica to increase agricultural yields.
- 8. Man made body of water, creates faster, shorter trade routes.
- 11. A farming system that is in the form of steps going up a mountain.