Class 5 EVS Natural Disaster worksheet

Section F: Case Study – Assam Floods (2 marks each × 4 = 8 marks)

Read the case below and answer the questions:

In July 2016, floods hit the state of Assam. The Kaziranga National Park was affected. About 270 wild animals died, including one-horned rhinoceroses, wild boars, and deer. Floodwaters caused diseases due to lack of clean water and hygiene.

1. Which state in India was affected by floods in July 2016?
2. Name the national park mentioned in the case study.
3. Mention any two animals that died in the flood.
4. Name two diseases caused by floodwaters.

 

 

Class 5 EVS Natural Disaster worksheet Answer Key

 

Section A: True or False

1. True
2. True
3. True
4. False
5. True

Section B: One-word Answers

1. Earth’s crust
2. Torrential rains
3. Tsunami
4. Cyclone
5. Tremors

Section C: Fill in the blanks

1. hurricane
2. electrical
3. scarce
4. earthquakes
5. collide

Section D: Answer in Brief

1. Earthquake: Sudden and violent shaking of the Earth’s surface.
2. In a drought: There is lack of adequate rainfall, causing shortage of water and food.
3. Causes of a flood:
   • Torrential rains
   • Overflowing rivers
   • Poor drainage system

Section E: Answer in Detail

1. Tsunami occurrence:
   A tsunami takes place in or near coastal areas. It is a series of ocean waves called a wave train, caused by strong undersea earthquakes.
   What to do:
   • Evacuate if warned
   • Keep emergency supplies ready
   • Stay away from trees and power lines if outdoors
2. Causes of an Earthquake:
   Earthquakes are caused when tectonic plates in the Earth’s crust move or collide. This releases energy and shakes the surface.
   Example: In April 2015, a powerful earthquake struck Kathmandu, Nepal.

 

Section F: Case Study – Assam Floods

1. Assam
2. Kaziranga National Park
3. One-horned rhinoceros, wild boar
4. Typhoid, malaria (also: hepatitis A, cholera)