Read the text carefully then state true (T) or false (F) for the following statements!How Earthquakes Happen

Earthquake is one of the most destroying natural disasters. Unluckily it often happens in several
regions. Recently a horrible earthquake has shaken West Sumatra. It has brought great damages.
Why did it occur? Do you know how earthquake happens?
Earthquake usually caused when rock underground suddenly breaks along fault
. This sudden
release of energy causes the seismic wave. It makes the ground shake. When two blocks of rock
or two plates are rubbing against each other, they stick a little. They don't just slide smoothly. The
rocks are still pushing against each other, but not moving. After a while, the rocks break because
of all the pressure that's built up. When the rocks break, the earthquake occurs.
During the earthquake and afterward, the plates or blocks'of rock start moving, and they continue
to move until they get stuck again. The spot underground where the rock breaks is called the focus
of the earthquake. The place right above the focus is called the epicenter of the earthquake.


1. Earthquake is the most dangerous calamity in the world.(....)
2. Earthquake has happened in West Sumatra recently and caused tiny harm.(....)
3. The text tells how earthquake happens.(....)
4. Earthquake is usually caused when rock on the ground suddenly breaks along fault. (....)
5. The energy is released gradually.(....)
6. The ground shakes because of seismic wave caused by sudden release of energy. (....)
7. The rocks don't move when two blocks of rock are rubbing against each other.(....)
8. The rocks still stick when all the pressure builds up.(....)
9. The earthquake happens when the rocks break.(....)
10. The epicenter of the earthquake is the spot underground where the rocks break.(....)



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