Across
- 3. runs along the Mid Atlantic Ridge and was discovered by Maurice Ewing and Bruce Heezen in 1953
- 5. ____ are one result of the movement within the Earth's crust which causes violent shaking of the ground
- 6. the theory of ____ explains the movement of the Earth's plates.
- 9. ____ is the formation of the new areas of the oceanic crust
- 12. convergent, divergent, and transform are 3 primary types of this
- 14. a tectonic boundary where two plates are moving toward each other
Down
- 1. a tectonic boundary where two plates move away from each other and a new crust forms from magma that rises to the Earth's surface
- 2. the theory of ____ states within time, the continents, including the ocean, move around the Earth's surface
- 4. a ____ is long, narrow steep-sided depression into the Earth's crust
- 7. ____ boundaries is where two plates slide against each other in a sideways motion
- 8. a ____ sometimes move, float, and sometimes fracture and whose interaction causes continental drift, earthquakes, volcanoes, mountains, and oceanic trenches
- 10. a high sea wave caused by submarine landscapes, earthquakes, or other disturbances is called a ____.
- 11. the sideways and downwards motion of the edge of a plate of the Earth's crust into the mantle beneath another plate is called ____
- 13. transfer of heat by the circulation of the heated parts of a liquid or gas