Across
- 2. The first part of stone Ages; when people first used tools
- 3. A relative who lived in the past
- 5. A strip of land connecting continents
- 6. An early ancestor of humans
- 7. The process of changing plants or animals to make them more useful
- 10. The middle part of the stone age; marked by the creation of smaller more complex tools
- 11. long periods of freezing water
- 12. To move to a new place
Down
- 1. People who hunt animals and gather wild plants,fruits,seeds, and nuts to survive
- 4. The new Stone age; when people learn to make fire and tools such as saws/drills
- 8. The time before there was writing
- 9. A huge state monument
