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Across 4. break in Earth's lithosphere 5. the super continent in which all of the continents today were bunched up together 8. waves caused by earthquakes (2 Words) 15. when the super continent broke apart (2 Words) 18. well tested concept of an observation is the (2 Words) 19. parts of the lithosphere broken into pieces 22. when 2 plates move apart along the mid-ocean ridge (2 Words) 25. wind beneath Earth's ocean (2 Words) 26. where two plates come together (2 Words) 27. molten metal that surrounds the inner core (2 Words)

Down 1. layer on which humans and living organisms live 2. when 2 things are squeezed together tightly 3. when heat travels through space 6. when plates slide apart (2 Words) 7. ocean that sinks back into the mantle 9. below the lithosphere 10. heat transfers and touches an object is called 11. the puzzle of the lithosphere moving slowly (2 Words) 12. transferred within heat (2 Words) 13. when the moving of the continents (3 Words) 14. upper part of the mantle 16. when two plates slip past each other moving in opposite directions (2 Words) 17. when floor of the ocean is deeper in underwater canyons (2 Words) 20. layer of hot rock is called 21. the amount of mass in an object 23. dense ball of solid metal (2 Words) 24. a device that can locate something in or underwater