Across
- 1. change in order to survive
- 6. "our" era
- 9. makes it easier to work together
- 10. gathered things in order to live
- 12. had light at night and provided warmth
- 13. hard stone with sharp edges
- 14. long periods of extreme cold on earth
Down
- 2. a continent with hunter gatherers
- 3. the men that went and killed big animals
- 4. gathered nuts berries and plants and also took care of the children
- 5. the early part of human history also known as the old stone age
- 7. the use of new ideas and tools to do work
- 8. made hunting easier
- 11. people who move from place to place to survive