Major and minor tectonic plates
Sial is one name, the other is....
What Continental plate
This scraping action causes....
What is earthquakes
The rocks break....
What is accumulation of potential energy.
When a part of rock breaks, a fracture or a zone of fracture develops between two blocks of rock. This is called....
What is a Fault.
The magma that flows to the surface is called....
What is lava.
Sima is one name, the other is....
What is Oceanic plates
Convergent boundaries are formed when two plates are....
What is moving towards each other.
The vibrations move out words in the form of....
What is seismic waves.
When rock are pulled apart under tension force, the type of faults that are formed are called....
What is a normal fault.
Most volcanoes are formed at the....
What is convergent boundaries.
The world's best known transform fault is....
What is San Andreas fault in California.
The rocks sometimes break and at times these broken pieces snapback which is called....
What is elastic rebound.
The minor plates are....
Name all
What is Caribbean, Arabian, Nazca and Scotia plates
The plates move away from each other, long cracks form....
What is a rift.
The point inside the earth where these vibrations or movements first release the stored energy is called....
What is the Focus of an earthquake.
Shear forces can break a rock to form....
What is a Strike- Slip fault.
Chambers of magma are formed due to .....
What is subduction.
The seven major plates include....
Name all
What is Antarctic, African, Eurasian, North American, South American , India- Australian and the pacific plates.
Several volcanoes have been formed in this way all around the Pacific Ocean. This is called....
What is the Pacific Ring of fire.
The point on the Earth's surface located directly above the earthquake focus is called....
What is the Epicenter of the earthquake.
Sometimes it is found that compression force between two rocks causes the rock above a fault to move up compared to the rock below the fault. This is the second type of fault which is called....
What is reverse fault.
When this magma along with some shaped and mountains; these are called
What is a Volcanoes.