Quizlet Science Tests

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  1. 2 types of Igneous rocks: Extrusive,Intrusive
  2. 3 main types of rocks: Igneous,Sedimentary,Metamorphic
  3. Compressional: Two plates pulling together
  4. Contenential Crust: A part of the crust.(land)It is 30-70 km thick
  5. Crust: The 1st layer of the earth.What we live on.
  6. Extentional: Two plates pushing away
  7. Extrusive: A rock formed on earth,by lava
  8. Fossil: A item that proved our earths history structure
  9. How many plates are there?: 10 major ones and many small ones
  10. Igneous: A rock formed by lava
  11. Inner Core: it is 1,200 km thick and it is solid.
  12. Intrusive: A rock formed in earth,by lava
  13. Lower mantle: it is 2,500 km thick, and it is solid.
  14. Metamorphic: A rock formed by heat and pressure
  15. Oceanic Crust: A part of the crust.(ocean) 6 km thick.
  16. Outer Core: it is 2,300 km thick and it is liquid and solid.
  17. Pangea: A super continent that existed around 300 to 250 million years ago.
  18. Sedimentary: A rock formed by erosion
  19. Transform: Two plates going the opposite way.
  20. Upper Mantle: 400 km thick. it is liquid.
  21. What creates our magnetic field: The internal of earth spinning.