Question

Give scientific reasons:
a. It is safer to find shelter under things like a bed , table at the time of earthquake.
b. In monsoon, don’t take shelter near hillside.
c. Don’t use lifts at the time of earthquake.
d. The foundation of earthquake-proof building is separated from other land.

Answer 1

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Q] Give scientific reasons:

★ It is safer to find shelter under things like a bed, table at the time of earthquake.

❒ Answer:

• When an earthquake takes place due to vibrations in the earth’s surface there is a possibility of the roof and walls of the house to fall.
• This collapse can cause severe head injury which can be fatal.

• Thus one must take shelter below the hard supporting structures such as bed or  table

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★ In monsoon, don’t take shelter near hillside.

❒ Answer:

• Excessive rainfall can cause landslides.
• The soil and rocks from the landslide can be pushed down along with rainwater.
• This debris slides to lower heights from the hills.
• Hence we should not take shelter near hillsides as we may get buried under the debris due to a sudden landslide.

★ Don’t use lifts at the time of earthquake.

❒ Answer:

• Lifts run on electricity.
• The electric supply may be hindered due to earthquakes.
• There may be chances of fire due to a short circuit.
• We may get trapped in the elevator at such times.
• The building may also collapse due to earthquakes.
• Hence it is always better to use stairs at the time of such calamities so that we can come out of the building safely.

★ The foundation of the earthquake-proof building is separated from other lands.

❒ Answer:

• The surface of the earth trembles at the time of the earthquake.
• These tremors cause seismic waves which are responsible for the movements of  the earth’s surface.
• The ground thus shakes, or it goes up and down.
• These shocks and waves formed in the interior of the earth spread on the surface  in all directions.
• This causes the collapse of the building and other structures on the land.
• To prevent such disasters, the foundation of an earthquake-proof building is  separated from lower land.

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Answer 2

Q] Give scientific reasons:

★ It is safer to find shelter under things like a bed, table at the time of earthquake.

❒ Answer:

When an earthquake takes place due to vibrations in the earth’s surface there is a possibility of the roof and walls of the house to fall.

This collapse can cause severe head injury which can be fatal.

Thus one must take shelter below the hard supporting structures such as bed or table

⠀⠀⠀⠀⠀

★ In monsoon, don’t take shelter near hillside.

❒ Answer:

Excessive rainfall can cause landslides.

The soil and rocks from the landslide can be pushed down along with rainwater.

This debris slides to lower heights from the hills.

Hence we should not take shelter near hillsides as we may get buried under the debris due to a sudden landslide.

★ Don’t use lifts at the time of earthquake.

❒ Answer:

Lifts run on electricity.

The electric supply may be hindered due to earthquakes.

There may be chances of fire due to a short circuit.

We may get trapped in the elevator at such times.

The building may also collapse due to earthquakes.

Hence it is always better to use stairs at the time of such calamities so that we can come out of the building safely.

★ The foundation of the earthquake-proof building is separated from other lands.

❒ Answer:

The surface of the earth trembles at the time of the earthquake.

These tremors cause seismic waves which are responsible for the movements of the earth’s surface.

The ground thus shakes, or it goes up and down.

These shocks and waves formed in the interior of the earth spread on the surface in all directions.

This causes the collapse of the building and other structures on the land.

To prevent such disasters, the foundation of an earthquake-proof building is separated from lower land.