Crossword Puzzle Chapter 31 Plate Tectonics Earth Science

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Across
  1. 2. layer of earth-- rocks, crust, plates
  2. 3. The type of boundary when plates pull apart and separate
  3. 4. The type of boundary when each plate slides along past each other
  4. 7. name of the supercontinent. Means "universal land"
  5. 8. molten rock under Earth's surface
  6. 9. The Mid Atlantic ____ is the tallest mountain range in world
  7. 11. The process of _____ reversal is when polarity on earth reverses itself
  8. 17. Organisms that live in severe and extreme conditions
  9. 18. The ______ core is made of hot, liquid iron. Is magnetic
  10. 19. _____ plates are sections of moving crust
  11. 21. process of how the Earth sorted itself into layers
  12. 25. science of something (suffix)
  13. 26. surface layer of Earth, very thin
  14. 27. study of Earth's structure and composition
  15. 29. The ____ mantle has rigid rocks near the core
  16. 30. A _____ zone is where the lithosphere sinks and melts
Down
  1. 1. The _____ crust is land masses, less dense and with granite
  2. 5. thin layer of gasses surrounding Earth
  3. 6. thick layer of hot, molten magma
  4. 10. the mass and volume of a substance volume (mass/volume)
  5. 12. center layers of the Earth
  6. 13. vertical, up and down crust movements
  7. 14. Vents called ____ vents live at the bottom of the ocean and release gasses
  8. 15. moving, flowing, mantle rock, plastic like
  9. 16. scientist who studies something (suffix)
  10. 18. The ______ crust is
  11. 20. The type of boundary when plates come together and collide
  12. 22. The _____ core is solid, very dense, hot and pressurized
  13. 23. Sound navigation ranging
  14. 24. where large land masses reach down into the mantle
  15. 28. what melted rock is described as (magma)