Early Humans

3. A time period that lasted from 2.5 million years ago to 10,000 years ago when people used stone tools (Also known as the "Old Stone Age")
5. The time before writing
6. The use of skills and tools to meet practical human needs (anything from stone tools to computers)
7. Scientists who examine objects to learn about past peoples and cultures
9. The practice of farming, including plants and animals, to provide food and other products
10. The written and other recorded events of people of the past
18. A sudden, extreme, or complete change in the way people live and work
19. A society that has cities, a central government run by official leaders, and workers who specialize in various jobs
20. A record of the past, based on information from primary sources; A "second hand" account
21. A small or inadequate amount to meet the needs of a group of people
22. An object made by someone in the past

1. People remain in one place for a short time to grow crops, but they don't permanently stay there
2. A person of the Old Stone Age who met their needs by hunting animals and gathering plants
4. A first-hand account of an event or artifact created during the period of history being studied
8. Supplying land with water from another place by using a network of canals
11. More than what is needed
12. A group of people having similar backgrounds, incomes, and ways of living
13. A time period that lasted from 10,000 years ago to 5,000 years ago when agriculture began (Also known as the "New Stone Age")
14. A worker who is especially skilled in crafting items by hand
15. To adapt wild plants or animals for human use
16. People who move from place to place, and have no settled home
17. The movement from one place to another