Plate Tectonics
Across
- 2. Deepest trench in the world.
- 3. The seven major land masses on the planet Earth.
- 4. The landmass that is created when two plates come together along a Upper
- 6. Forces that build landmasses.
- 8. A place where move relative to each other
- 9. Lower layer of the mantle.
- 11. Where hot rocks rise, and cool rocks fall creating a flowing circle
- 13. Crust located under the ocean.
- 16. When a divergent boundary occurs and the magma helps create a new part of the plate.
- 18. Solid ball of iron in the center of the Earth.
- 19. One of the two original continents that Pangaea split into.
- 21. When two plates float toward each other.
- 26. Produced by the inner core spinning within the outer core.
- 27. Waves that are sent out and are timed coming back to map out objects
- 28. Fault the runs through California.
- 30. Layer of molten metal that covers the inner core.
- 31. Outer layer of Earth.
- 32. The study of tectonic plates.
- 33. Where geology was first founded
- 37. Amount of force pressing on an object.
- 40. Longest mountain chain
- 42. Created theory of continental drift
- 44. Earth’s supercontinent from over 200 MYA.
- 45. When oceanic plate subducts under continental plate
- 46. Molten rock.
Down
- 1. One who studies geology.
- 2. String of mountains
- 5. When two plates float apart.
- 7. Where lava erupts of out the earth
- 10. Innermost layer of Earth.
- 11. Crust that makes up the continents.
- 12. The valley between two diverging plates
- 14. Melted rock
- 15. Larger, more important plate
- 17. Thickest layer of Earth.
- 20. Forces that destroy landmasses.
- 21. The theory of how the continents got where they are today.
- 22. Immense forces that are sent up through the Earth.
- 23. When two plates grind against each other.
- 24. Upper layer of the mantle.
- 25. When one plate slides underneath the other.
- 29. Vibrations that travel through the Earth.
- 34. Chunks of the Earth that float on the lithosphere.
- 35. smaller, less important plates
- 36. First living organism
- 38. The study of the planet Earth.
- 39. The other of the two continents that Pangaea split into.
- 41. Magma that has come out of the earth
- 43. It means “millions of years ago”