Across
- 3. Egyptian devourer of evil hearts with a crocodile head
- 5. King of Uruk. Protagonist of the oldest piece of literature.
- 7. The 18th Amendment banned this
- 8. Center of a cell
- 10. Native Americans living in Mexico around 1500 BC
- 13. The process of turning carbon dioxide, water, and sunlight into energy and oxygen
- 15. Ancient people who lived in the Indus River valley
- 17. Scientific name for humans
- 18. Bizarre creatures that lived in the ocean 500 million years ago
- 19. The 19th amendment allowed them to vote
Down
- 1. The 16th Amendment legalized this
- 2. Seeking knowledge of the future using supernatural means
- 4. The 13th Amendment banned this
- 6. What ancient people used to make weapons, pottery, and money
- 9. Name of the first real Chinese dynasty
- 11. Region between the Tigris and Euphrates rivers
- 12. The 24th amendment outlawed this
- 14. The son of Osiris and Isis
- 16. A warm-blooded animal that has fur, gives live birth, and produces milk