History & Science

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Across
  1. 5. when one plate slides below another
  2. 6. the killing of many defenseless people
  3. 8. the head of a department in the executive branch
  4. 11. the head of the legislative branch
  5. 14. when heat travels between touching objects
  6. 15. when heat travels through open space
Down
  1. 1. a low flatland
  2. 2. the way liquids and gases are heated
  3. 3. an high flatland
  4. 4. the layer of the Earth with weak rocks
  5. 7. a group that does research for the president on a topic
  6. 9. the document that outlines the structure/power of a government
  7. 10. the group of secretaries that advise the president
  8. 12. the group of people who decide a court case
  9. 13. the crust + top layer of the mantle