Across
- 3. Time before humans invented writing.
- 4. Scientist who studies the physical materials of the Earth itself, such as soil and rocks.
- 8. Scientist who studies human life in the past by examining the things that people left behind.
- 9. Preserved remains of ancient humans, animals, or plants.
- 11. Change
- 14. Person who lives by hunting animals and gathering plants.
- 16. Study of humankind in all aspects, especially development, and culture.
- 17. Group of people living in similar economic conditions.
- 20. A complete change in ways of thinking, working, or living.
- 21. Change the growth of plants or behavior of animals in ways that are useful for humans.
- 22. Complex society that has cities, a well-organized government, and workers with specialized job skills.
- 23. Person who moves from place to place.
Down
- 1. The system by which a country's people make a living.
- 2. Surroundings
- 5. People's beliefs and practices about the existence nature and worship of a god or gods.
- 6. Supply of something that can be used as needed.
- 7. Object made by a human being.
- 10. Moving to a new place.
- 12. Extra.
- 13. Beliefs, customs, practices, and behavior of a particular nation or group of people.
- 15. Act of cocentrating on limited number of goods or activities.
- 18. Belief that the natural world is full of spirits.
- 19. To become an inhabitant of a place
