11-5-18

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