Across
- 2. a muddy material left behind after a river floods, good in nutrients needed for good farmland
- 4. Period in human history sometimes called the new stone age where people began developing more sophisticated tools designed to support agriculture
- 7. the process of adapting wild plants and animals for human use as food, or to help do work
- 10. period of transition where people stopped being nomadic and began to grow their own foods and stay in one place
- 11. the extra product that is left over after needs have been meet
- 12. also called the cradle of civilization, an area of modern day Iraq, Syria, and Turkey where human civilization first developed
- 13. a method farmers use to water crops
- 14. the exchanging of goods and services
- 15. a system of organizing society into groups and rank order them in order of importance
Down
- 1. an advanced state of human society
- 3. is a system where people focus on creating one thing and become great at it and produce more than they need, sell (or trade) the rest
- 5. is another word for farming
- 6. any materials humans used to meet a need such as minerals, forests, water, and fertlie land
- 8. a time period that started around 3000BCE where humans began to use metals to make tools
- 9. a small independent city that operates like a tiny county with own government