Plate tectonics/Earth layers
Across
- 4. The lithosphere, which is the rigid outermost shell of a planet, is broken up into ________.
- 6. a long high sea wave caused by an earthquake
- 8. a sudden and violent shaking of the ground, sometimes causing great destruction
- 9. great _______ rift is like a mid-ocean ridge.
- 10. plates move away from each other
- 11. a long, narrow, deep depression in the ocean floor
- 14. movement of plates because of hot liquid under surface rising
Down
- 1. synonym for change
- 2. movement of two oceanic plates away from each other
- 3. when plates move towards each other
- 5. theory that explains that continents are not stationary, but move across the Earth's surface is ______ drift theory.
- 7. when plate goes under another plate
- 12. A tectonic boundary where two plates are moving away from each other and new crust is forming from magma that rises to the Earth's surface between the two plates is a ______boundary
- 13. ____of plate tectonics that says the Earth's lithosphere is divided into about 12 large plates.