Across
- 4. one who invents
- 6. when you write
- 7. one who writes
- 9. to make sure something gets done
- 11. a way to organize and control a society
- 12. people living together in an organized manner
- 14. the name for where a river flows
- 15. famous ones are in Egypt in the Nile Valley, are 4 triangles that make a 3-D shap
- 16. to do very well
Down
- 1. the name for a cultural and material development in society
- 2. this metal is made from copper and tin
- 3. these help make a job easier, computer, pencil
- 4. this silver metal is stronger than bronze
- 5. large amount of water found between two mountains
- 7. used to protect people
- 8. land that is very good for growing crops, or the ability to produce easily
- 10. when you invent
- 13. this is both a city and a country