Across
- 3. to worship many gods
- 9. continuously moving from place to place
- 10. to trade goods or services without money
- 11. Sumerian system of writing using wedge shapes
- 12. having more than is needed
- 13. a government ruled by a king or queen
- 15. a system to bring water to dry areas of land
- 16. a period of ten years
- 18. Become an expert in a particular skill or trade
Down
- 1. to tame a plant or wild animal for your own use
- 2. period of one hundred years
- 3. the time before writing was invented
- 4. many different lands under the rule of one government
- 5. science of mixing metals
- 6. Sumerian temple
- 7. fine soil carried by water and deposited on land
- 8. person who uses specialized skills to produce goods
- 11. highest level of human society
- 14. an approximate date
- 17. a long poem about a hero