Across
- 2. A thin outer layer of rock above a planets mantle, including all dry land and ocean basins.
- 5. A mountain or hill typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted.
- 7. The transfer of energy from place top lace by the motion of heated gas or liquid
- 11. An area of fracturing between rocks resulting from stress
- 13. Part of upper mantle that behaves like soft butter
- 14. Tectonic Lithosphere is divided into a number of crustal plates, each of which moves.
- 15. A specialist in the history of the Earth recorded in rocks, convergence.
- 16. Valley A gap formed between two diverging plates
- 17. An actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.
- 18. the boundary formed by the collision of two lithospheric plates, divergent boundary, the boundary between two tectonic plates.
- 19. The bending of rock layers, fault, a break in the earths crust.
- 20. The amount per unit size, trench, any long ditch cut in the ground. Earthquake, vibration from underground movement along a fault plane.
Down
- 1. Vibration from underground movement along a fault plate, volcano, a fissure in the earths crust though which gases erupt.
- 3. boundary formed by the collision of two lithospheric plates.
- 4. Idea or theory that the continents once existed in a giant super continent and have moved apart over millions of years.
- 6. A gap formed between two diverging plates ; magnetic reversal, when earths magnetic north and South Poles switch places
- 7. The center of earth, an area constituting about 16% of the planets volume and 32% of its mass
- 8. features would include those expressed on the surface, (such as mountains, rivers and lakes) as well as those not as visible
- 9. Boundary between two tectonic plates that are sliding past each other horizontally
- 10. THe act of putting pressure on something compression. The act of applying force. Mid-Atlantic ridge.
- 12. A deep depression in the ocean floor caused by the convergence of plates and the resulting subduction of one plate
- 14. A super continent
