Earthquake

Which scale is a non-linear scale to measure the sound level?

Decibel scale is a _____ scale.

Decibel scale is used to measure the sound levels.

What is decibel scale and what are its uses?

TamilNadu was one of the most affected state in the Tsunami which occurred in $2004$. Why?

The Tsunami in $2004$ mainly affected the states having the Bay of Bengal near them.

Select the cities from the list which got affected by Tsunami in $2004$.

The Tsunami of $2004$ was affected in Rajasthan, Uttarakhand in India.

Which are the places affected by Tsunami in India? Locate it on the map of India.

What is decibel scale?

Which of the following states are affected by tsunami?

Major earthquakes are less likely to occur in

What we call earthquake under the sea?

What happens before and after the earthquake? Discuss.

Loudness of sound is measured in decibels.

The intensity of sound is measured in a unit called -

Write a short note on the earthquake.

What are the three main layers of the earth.

Choose the right word from the box: 

The sudden violent movement of the earth's surface is called an _____.

The shocks of earthquakes may be recorded on an instrument called a Seismograph.