The Earths Layers

123456789
Across
  1. 1. Thin outermost layer of earth. Made up mainly of granite and basalt.
  2. 3. A dense sphere of solid iron and nickel at the center of the earth and has the highest temperature and most pressure.
  3. 7. Current in Earth's mantle that transforms heat in Earth's interior and is the driving force for plate tectonics
  4. 9. a process which more dense materials of a planet sink to the center, while less dense materials stay on the surface
Down
  1. 1. the makeup of something
  2. 2. a layer of molten nickle and iron the surrounds the inner core
  3. 4. How tightly packed the matter in a substance is
  4. 5. the rigid outer part of the earth, consisting of the crust and upper mantle.
  5. 6. Earth's thickest layer made of hot rock and is less dense than the core, less hot, and has less pressure on it.
  6. 8. The amount of matter in an object