Plate Tectonics
Across
- 4. Plate boundary in which plates rub against each other
- 5. The point in the crust where a seismic rupture begins
- 7. A chain of mountains caused by convergent boundaries
- 8. The movement of the Earth's crust
- 10. Soil, sand and dirt are all s________
- 14. Large waves in the water, often caused by underwater earthquakes
- 15. Molten rock on the surface of Earth
- 17. The outermost layer of the earth
- 21. The study of the Earth
- 23. A sudden intense shaking of the Earth's surface caused by transform boundaries
- 24. A plate thinner than a continental plate
- 28. A structure formed by convergent plate boundaries
- 29. A scientist that formulated the theory of plate tectonics
- 30. Molten rock under the surface of Earth
- 31. The liquid layer of the earth
- 32. Contain convection currents
- 34. Waves that move through rocks and fluids
- 35. An opening in the Earth's crust allowing magma to escape
- 37. Creation of rotation in a liquid caused by rapid heating and cooling
- 39. The world's greatest earthquake belt
- 40. Quartz, marble and slate are all m_________
Down
- 1. A tectonic plate _ _ _ _ _ _ _ _ _ _
- 2. The rigid outer part of the earth made of the crust and upper mantle
- 3. Plate boundary in which plates merge
- 6. Plate boundary in which plates separate
- 9. The study of earthquakes
- 11. Scale to measure the intensity of earthquakes
- 12. Numerical scale to express the magnitude of an earthquake
- 13. A reservoir of magma under a volcano
- 16. A plate that makes up the Earth's lithosphere
- 18. When one plate moves under another and is forced to sink
- 19. Granite,obsidian and basalt are all i_____
- 20. The upper layer of the mantle under the lithosphere
- 22. Long narrow chasms on the sea floor
- 25. Hottest part of the earth made of solid nickel and iron
- 26. Theory that the continents were all once united as one super continent
- 27. Vibrations that only move along the surface of Earth
- 33. Instruments used to record the motion of the ground during an earthquake
- 36. Vibrations that travel through the earth's inner layers
- 38. How three basic rock types relate to each other