Plate Tectonics Crossword

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Across
  1. 4. A scientist who studies the force that make and shape the earth
  2. 6. the layer of rock that forms earths outer surface
  3. 7. A dece dark igneous rock with a fine texture found in oceanic crust
Down
  1. 1. the layer of hot solid material between earths crust and core
  2. 2. core, a dense sphere of solid iron and nickel in the center of earth
  3. 3. The material that forms the earths hard surface
  4. 5. a usually light colored rock that is found in continental crust