Page 93 - EVS Class 05

* Tsunamis are huge sea waves caused by an earthquake or a volcanic
eruption under the sea.

* A drought is a long, dry spell with little or no rainfall.
* During emergencies, immediate treatment is given to the patients before
the arrival of the doctor. Such emergency treatment is called first-aid.

A. Answer the following questions.
1. What do you understand by a disaster?

2. How is an earthquake caused?
3. What is a drought?

4. What is a cyclone?
5. Name any three agencies that help people affected by natural calamities?

6. What is the use of an emergency kit?

B. Fill in the blanks.
1. ____________ is a condition when people die due to shortage of food.

2. A ____________ is a break or crack in a bone.
3. A sudden, violent shaking or trembling of the earth’s surface is called an
____________.

4. Study of earthquakes is called____________ .
5. ____________ is a brief loss of consciousness due to a drop in the flow of

blood to the brain.
C. Write a short note on.

1. Earthquake : _____________________________________________________
_______________________________________________________________________

_______________________________________________________________________
2. Tsunami : _____________________________________________________

_______________________________________________________________________
_______________________________________________________________________

3. Drought : _____________________________________________________

_______________________________________________________________________

_______________________________________________________________________

EVS-5
93