Across
- 4. hunting animals and gathering plants
- 6. They appeared around 200,000 years ago.
- 9. The early ancestors of humans
- 11. The Old Stone Age
- 12. The New Stone Age
Down
- 1. Land connecting two continents
- 2. Large stone monuments
- 3. Middle Stone Age
- 5. something created to make life easier
- 7. changing plants and animals to make them more useful
- 8. building fires for warmth and building shelters
- 10. The period of time before written records were kept.