Plate Tectonics Crossword
Across
- 5. The uppermost division of the solid earth
- 7. The thick part of Earth's crust that forms continents. Older than oceanic crust
- 8. Long, narrow depressions on the seafloor that forms at the boundary of tectonic plates
- 12. The process in which new ocean crust is continually coming into being and spreading along the ocean floor
- 13. Large landmass that is thought to have been made of all continents before drifting apart
- 14. Tectonic plates compromised of oceanic crust
- 17. When one lithosphere plate collides with another and is forced under another plate
- 18. cracks in the Earth's crust along where there is movement
- 19. The drifting of the continents
- 20. Boundary made when two tectonic plates move towards each other
- 21. The sudden shaking of Earth's crust caused by energy release along fault line or volcanic activity
- 22. A large continuous mass of land
Down
- 1. the theory that the earth's lithosphere is divided into large, plate like sections
- 2. Where the tectonic plates float
- 3. Tectonic plates comprised of mainly continental crust
- 4. The thick, dense layer of rock between Earth's crust and its core
- 6. Boundary made when two tectonic plates move away from each other
- 7. A large volcanic Crater formed by an eruption and collapse of a volcano
- 9. A mountain or hill that has a crater or vent from where lava and gas have erupted from earth's crust
- 10. Hot fluid below or within the earth's crust
- 11. The upper layer of Earth's interior made up of the crust and upper mantle that is broken up into rocky plates
- 15. The boundary between two tectonic plates
- 16. Boundary made when two tectonic plates move in opposite directions against each other