Across
- 4. _____strain A temporary change in shape that is reversed when the stress is removed.
- 9. _____trenches Deep, underwater canyons formed where an oceanic plate subducts under another plate.
- 11. _____rift A belt or zone where the continental lithosphere is being pulled apart.
- 12. Stress that pushes masses of rock in opposite directions, in a sideways movement.
- 13. A type of stress that squeezes rock until it folds or breaks.
Down
- 1. _____ranges A series of connected mountains formed by the folding, faulting, or volcanism of the Earth's crust.
- 2. _____arcs A chain of volcanoes formed above a subducting plate, positioned in an arc shape.
- 3. _____fault A strike-slip fault occurring at the boundary between two plates that are sliding past each other.
- 5. _____zones An area of many fractured pieces of crust along a large fault.
- 6. _____ridge An underwater mountain range formed by plate tectonics where new ocean floor is created.
- 7. A type of stress that pulls on the crust, stretching rock so that it becomes thinner in the middle.
- 8. The force per unit area that acts on rocks to change their shape or volume.
- 10. ______ strain A permanent change in shape caused by stress where the rock does not return to its original form.
- 14. The change in the shape or volume of a body of rock as a result of stress.