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WorksheetsEarthquakes and Fault
Total questions: 20
Worksheet time: 20mins
Earthquakes happen along a fault line. Which of the following is NOT true about faults?
It can be found on land.
It can be found under the sea.
It is where fault cyclone starts.
It is a break in the Earth’s crust
Energy from inside the Earth makes the ground move. Which of the following is the reason why there is no movement right away?
Friction causes the delay on the movement of the ground.
There is no movement right away because of the vibration of the rocks.
There is no movement right away because of the bending of the rocks.
The rapid release of energy causes the delay of the movement of the ground.
Earthquakes are common occurrence in Japan, Indonesia, and Philippines. Why is this so?
Japan, Indonesia and Philippines are surrounded by seas.
Japan, Indonesia and Philippines are located near the equator.
Japan, Indonesia and Philippines are considered archipelagic countries.
Japan, Indonesia and Philippines are found within the Pacific Ring of fire.
Which of the following refers to the place where the earthquakes start?
Fault
Focus
Epicenter
Fault plane
What do you call the spot above the focus on the surface of the Earth?
Fault
Crust
Focus
Epicenter
Scientists use different ways to describe how powerful an earthquake is. Which method refers to noting the effects of the earthquake on people, structures, and the surroundings?
Focus
Intensity
Epicenter
Magnitude
Which term refers to the released energy of an earthquake?
Focus
Intensity
Epicenter
Magnitude
Which factor keeps the rocks from slipping past each other?
The depth of the rocks.
The bending of the rocks.
The arrangement of rocks.
The roughness of the rocks.
What do you call the phenomenon that refers to the fast movement between two sides of a fault wherein the friction is overcome resulting to a sudden movement or shaking of the ground?
Stick-slip
Stick-bend
Stick-shake
Stick-vibrate
What Philippine Agency is concerned in monitoring fault movement?
Department of Labor and Employment (DOLE)
Department of Environment and Natural Resources (DENR)
Philippine Institute of Volcanology and Seismology (PHILVOCS)
Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)
Scientists use different ways to find out if a fault is active. Which one is NOT included?
Scientist created a fault model.
Scientist observed the surroundings.
Scientist checked the country’s historical record.
Scientist studied the past and present vibrations.
What is the other term used to describe Intensity V?
Strong
Devastating
Very strong
Destructive
Which of the following choices is properly associated?
Intensity III : Weak
Intensity 9: devastating
Magnitude 5: slightly felt
Magnitude II: scarcely perceptible
What will most likely happen every time a fault slips?
The rocks will be stuck together.
There will be no movement at all.
There will be movement right away.
The rocks will suddenly slip and will generate an earthquake.
Not every fault movement beneath the sea will produce a tsunami. Which of the following fault movements will result to such occurrence?
String movement
Vertical movement
Sideward movement
Horizontal movement
Which of the following is/are true about tsunamis?
It is related to tides.
It is a giant tidal wave.
It is due to the upward movement of rock on land.
It is due to the upward movement of rock at the seafloor.
What happens to the tsunami when it reaches the shore?
The wave speeds up
The wave breaks down.
It slows down and grows in height.
The wave speeds up and grows in height.
Which of the following refers to the vibrations produced by an earthquake?
Tidal waves
Seismic waves
Pressure waves
Sea-surface waves
What happens when seismic waves travel deeper into the crust?
Seismic waves speed up.
Seismic waves disappear.
Seismic waves slow down.
Seismic waves maintain their speed.
The seismic waves travel through the Earth and carry information from the interior to the surface. All of the following statements is true, EXCEPT
The seismic waves are reflected.
The seismic waves bounced back.
The seismic waves are refracted or bent.
The seismic waves are stocked on the rocks.
