Across
- 1. the upward vertical motion of Earth's surface
- 3. a change in the shape of rock caused by stress
- 6. arc a curved line of volcanoes that forms parallel to a plate boundary
- 9. fault where tectonic plates slide horizontally past each other
- 11. the downward motion of Earth's surface
Down
- 2. stress that pulls something apart
- 4. squeezing stress
- 5. line an area of many fractured pieces of crust along a large fault
- 7. the equilibrium between continental crust the denser the magma below it
- 8. parallel forces acting in opposite directions
- 10. trench deep, underwater toughs created by one plate subducting under another plate at a convergent plate boundary