HARD
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What causes an earthquake?

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Important Questions on Our Changing Earth

MEDIUM
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
The intensity of an earthquake is maximum near the _____.(crater/epicentre)
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Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Sometimes internal movements of the Earth cause undersea _____.
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Social Science>Geography>Our Changing Earth>Forces Acting on Earth
An earthquake cannot be measured.
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Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Name the main earthquake belts of the world. Where are they located?
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Social Science>Geography>Our Changing Earth>Forces Acting on Earth
The point under the ground where the earthquake begins is called the epicentre.
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Social Science>Geography>Our Changing Earth>Forces Acting on Earth
The Earth experiences about a million earthquakes every year, about two earthquakes per minute. What can we do to minimise the effects of earthquakes?
HARD
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Distinguish between Focus and epicentre.
HARD
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Buildings collapse due to earthquakes. Give reasons.
EASY
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Seismology is the study of earthquake.
MEDIUM
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
The scale used to measure the magnitude of an earthquake is called as _____.(Seismographic Scale/Richter scale)
MEDIUM
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Which of the following terms is not linked with seismic activity?
HARD
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Which earthquake waves produce a strong shaking action?
EASY
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Name the scale used to measure the intensity of the seismic waves.
HARD
Social Science>Geography>Our Changing Earth>Forces Acting on Earth

On the given outline map of the world, mark and label the following.

  • Locations of Mid-Continental and Circum-Pacific earthquake belts.
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Social Science>Geography>Our Changing Earth>Forces Acting on Earth
There are five types of earthquake waves.
EASY
Social Science>Geography>Our Changing Earth>Forces Acting on Earth

Reassemble the letters of the following words. (Use the hint provided)

HIRRCTE (Earthquake measuring scale)

EASY
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
Cotyledons are also called-
MEDIUM
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
The starting point of earthquakes in the crust is called the epicenter.
EASY
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
The study of the behaviour of earthquake waves is called:
MEDIUM
Social Science>Geography>Our Changing Earth>Forces Acting on Earth
The earthquake in Bhuj (Gujarat} occurred in