Across
- 4. the period of human history before the invention of writing
- 7. a half a ball
- 8. the study of the earth's surface and people
- 9. an early human that survived by killing wild animals and collecting plants and berries for food
- 11. an advanced stage of society; living in cities
Down
- 1. continuously travelling from place to place in search of resources such as water and food
- 2. beliefs and practices shared by a group of people, including food, language, clothing, technology, and arts
- 3. a place where a group of people begins to build permanent shelters and establish a civilization
- 5. a line of longitude that divides the earth in half
- 6. to move from one place or country to another
- 10. a line of latitude that divides the earth in half