Across
- 3. operation A process that reverses the effect of another process.
- 7. A structure or building that is designed to reduce the amount of energy that reaches it.
- 8. To make changes to something.
- 9. treaty An agreement between two or more groups or countries that helped put an end to a disagreement or conflict.
- 10. A four sided structure with a pyramid shaped top. A monument in ancient egypt.
Down
- 1. II A pharaoh of Egypt that expanded the empire for 66 years.
- 2. A pharaoh that made many unpopular changes.
- 4. A symbol for an unknown quantity in mathematics.
- 5. To make changes with the intent of improving something.
- 6. An Egyptian queen that became pharaoh and helped expand trade in egypt.