Our Environment

Book: Our Environment

Chapter: 3. Our Changing Earth

Subject: Social Science - Class 7th

Q. No. 4 of Exercise

Listen NCERT Audio Books - Kitabein Ab Bolengi

4

Give reasons

Buildings collapse due to earthquake Give reasons.

As the lithospheric plates move they cause the vibration on the surface of the earth. These are called earthquakes. When the earthquakes are of a high intensity or are very strong, they cause damage to almost everything out of which the buildings are the most affected. Due to sudden and strong shaking of the ground, the high-rise buildings also shake and develop cracks in them. As a result they collapse.


6

More Exercise Questions

4

Give reasons

Some rocks have a shape of a mushroom.