QUEST VOCAB-Herbert's

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Across
  1. 3. Earth grouped based off of the mechanisms in it, includes the asthenosphere, lithosphere, mesosphere, mantle, outer core, inner core.
  2. 5. When two plates slide against each other.
  3. 9. An arc shaped chain of volcanoes.
  4. 11. When two tectonic plates pull apart.
  5. 12. Created Mid-Ocean ridge diagram and invented Plate Tectonics.
  6. 15. When two tectonic plates push towards each other.
  7. 16. A rock that is used to determine Earths previous magnetic polarity.
  8. 20. In between the crust and the core, Earth's thickest layer.
  9. 21. When denser crust subducts under lighter crust.
  10. 22. Made of iron and nickel intense pressure keeps it solid.
  11. 23. This theory is that the upper crust is divided into small slabs called plates.
  12. 24. Makes up 29% of Earths surface, older than oceanic crust.
  13. 26. Occurs when two plates grind against each other.
  14. 28. Convection currents in the outer core power this, it protects us from radiation.
  15. 29. When magma from the ocean forms into an arc shaped chain of volcanic islands.
  16. 30. Earth grouped based off of the physical attribuates, contains crust, mantle, outer core, and inner core.
Down
  1. 1. When our magnetic field flips changing north to south and south to north.
  2. 2. The plates are divided on the_.
  3. 4. When new oceanic crust forms from mid-ocean ridges.
  4. 6. German meteorologist, invented continental drift.
  5. 7. A dropped zone formed from a divergent boundary.
  6. 8. All continents had been in a super continent called_.
  7. 10. This theory is that all the continents were one supercontinent and they drifted away on the seafloor.
  8. 13. Forms from hot materials rising to the top, cooling, and sinking.
  9. 14. Continental crust is mostly made from this_.
  10. 17. Makes up 71% of Earths surface, younger than continental crust.
  11. 18. Oceanic crust is mostly made from_.
  12. 19. Waves used to help us find the materials in the earth.
  13. 23. The study of earths previous magnetic polarity.
  14. 25. Technology used by sending soundwaves back and forth.
  15. 27. _ lava comes from the ocean floor.
  16. 31. Earth's only liquid layer.