Chapter One

2. used for protection , heat , light , and to make food
6. period of time which early humans made lasting tools and weapons mainly from stone
7. someone with no settle home
9. rich in the substances plants need to grow
10. more than what is needed
11. what or who discovered the body under the snow
12. what were the first animals used for hunting
13. the written events of people
16. the study of Earths surface and the processes that shape it
17. time before history
18. society that has cities , a central government run by official leaders , and workers who specialize in various jobs

1. a worker who is especially skilled in crafting items by hand
3. who was discovered under the snow
4. scientists who examine objects to learn about past peoples and cultures
5. a group of people having similar backgrounds , incomes , and ways of living
8. stories passed down by word of mouth
14. to adapt wild plants for human use , or to tame wild animals for human use
15. supplying land with water from another place using a network of canals