Across
- 2. they are hard and inside our body
- 5. Type of material that comes from trees
- 6. Tombs were built with stones
- 7. Things used to protect our bodies
- 9. Very hot and discovered in the paleolithic era
- 11. A collection of people that lived together
- 14. People went from one place to another to find
- 15. Making tools by melting metal
- 16. moving things using sailboat and cart with wheels
- 17. Kill animals to eat
Down
- 1. Era that started with the appearance of humans
- 3. Era when people discovered crop and livestock farming
- 4. Things used to hunt and cut
- 7. A natural place underground where paintings were made
- 8. Era when people used metal to make objects
- 10. Domesticated animals
- 12. Living in one single place
- 13. Picking up fruit