Across
- 2. Provided protection from weather and dangerous animals. (p. 77)
- 5. Time before history was written down. (p.75)
- 8. The exchange of goods and services without using money. (p. 81)
- 9. Hunter-Gatherers learned to make ________ to help them perform basic tasks. (p. 76)
- 11. To become an expert in a particular subject, skill, or trade. (p. 79)
- 13. Prehistoric people lived as ____________. (two words, p. 75)
- 16. Ancient civilization that developed near the Yellow River in eastern Asia. (p. 85)
- 17. The feature of a civilization where people were ranked into classes according to the job they did. (two words, p. 83)
- 18. The feature of a civilization that people developed to help explain the world around them. (p. 83)
- 19. Civilization that developed between the Tigris and Euphrates Rivers in southwestern Asia (Middle East). (p. 85)
- 22. The feature of a civilization that led to early civilizations developing near rivers. (p. 83)
- 23. To tame a wild animal to keep as a pet or farm animal. (p. 78)
Down
- 1. People, societies, or other groups who rely on each other for survival or success. (p. 79)
- 3. Ancient civilization that developed near the Nile River in Northern Africa. (p. 85)
- 4. The highest level of human society. (p. 83)
- 6. Extra; leftover amount after demand has been met. (p. 79)
- 7. The discovery of farming is called _________ because it greatly changed people's lives. (two words, p.78)
- 10. The feature of a civilization that includes the development of writing systems and irrigation. (p. 83)
- 12. The feature of a civilization where people made products, tools, and decorative items to use and to trade at markets near and far. (p. 83)
- 14. The feature of a civilization that addresses issues such as controlling resources, irrigation, and trade. (p. 83)
- 15. Having no permanent home; traveling from place to place, often to hunt or find fresh pasture for livestock. (p.75)
- 20. Ancient civilization that developed near the Indus River on the Indian subcontinent. (p. 85)
- 21. An item used by people from the past. (p. 75)