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