Presentation on theme: "Forces Inside planet (43) once the elastic limit is passed, the rocks might break once rocks break, they relocate along surfaces called faults To relax this."— Presentation transcript:
You are watching: When rocks break they move along
1 pressures Inside earth (43) as soon as the elastic limit is passed, the rocks may break once rocks break, they move along surfaces referred to as faults To relieve this stress, the rocks often tend to bend, compress, or stretch. If the force is great enough, the rocks will break.
2 An earthquake is the vibrations produced by the break of rock.Most earthquakes take place near bowl boundaries. Rocks relocate past each other along faults, stormy surfaces catch, motion stops follow me the fault
3 how Earthquakes take place Stress reasons the rocks to bending and change shape. Rocks room stressed past their elastic limit, they have the right to break, move along the fault, and also return come their initial shapes. An earthquake outcomes
4 species of Faults Three varieties of forces—tension, compression, and also shear—act top top rocks. Tension is the force that traction rocks apart, and also compression is the force that squeezes rocks together. Shear is the force that reasons rocks ~ above either next of a fault to slide past each other.
5 normal Faults along a typical fault, rock above the fault surface ar moves downward in relation to rock listed below the fault surface
6 reverse Faults reverse faults an outcome from compression pressures that squeeze out rock. If rock division from pressures pushing indigenous opposite directions, rock over a turning back fault surface is compelled up and over the rock below the fault surface ar
7 Strike-Slip Faults in ~ a strike-slip fault, rocks on either next of the fault are moving past each other without lot upward or downward movement. The san Andreas error is the boundary between two of earth plates that are moving sideways previous each other.
8 Vibrations developed by breaking absent arecalled __________. A. Earthquakes B. Eruptions C. Faults D. Liquefaction
9 The type of pressure that pulls rocks personal is__________. A. Compression B. Shear C. Surface D. Tension
10 in ~ a __________ fault, rocks on either next of the fault are relocating past each various other with little upward or bottom movement. A. Compression B. Typical C.
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Turning back D. Strike-slip