Across
- 3. the oldest and longest period in the stone age
- 6. the past form of the verb stop
- 9. people live permanently in the same place
- 10. the last of the three metals used
Down
- 1. the most important invention at the end of Neolithic, used to move objects in trading
- 2. the most important discovery in Palaeolithic
- 4. people that produce objects (pottery, clothes...)
- 5. the past form of the verb tidy
- 7. the past form of the verb play
- 8. the synonymous of agriculture
