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When The Earth Shook - 1 Worksheet - Class 5 EVS | FREE DOWNLOAD

Q1:Think and Write.

(i) What should one do in case of an earthquake? 
Q1:Think and Write.(ii) Name these calamities:

Q1:Think and Write.

Q2: Choose the correct option


(a) Which calamity occurred on 26 January 2001?
(i) cyclone
(ii) flood
(iii) Earthquake
(iv)Tsunami

(b) Shortage of food and water can result in a
(i) tsunami
(ii) flood
(iii) famine
(iv) drought

(c) People who study about Earthquake are called
(i) seismologist
(ii) doctors
(iii) astrologers
(iv) all of these

(d) Earthquakes are measured on
(i) ruler
(ii) barometer
(iii) Richter scale
(iv) all the above

(e) When there is no rain, crops can fail; then there can be
 (i) cyclone
(ii) flood
(iii) famine      
(iv) drought 

Q3: Fill in the Blanks.


(i) On 26th January 2001 an earthquake occurred in the Kutch area of ___________.
(ii) A _____________disaster is a terrible event that is caused by the forces of nature.
(iii) Earthquake in ____________area can cause landslide
(iv) ____________ is a person who specializes in designing buildings and developing the concepts for structures. 
(v) Excessive rainfall can lead to ___________.

Q4: True or False.


(i) Engineers show special designs of houses.                                                  
(ii) Clay with cow dung is mixed to make walls.                                              
(iii) Bhuj was not affected by the earthquake in Gujarat.                          
(iv) If there is no rainfall, there will be no crops.    
(v) If the buildings start shaking and the earth starts moving under your feet it means a tsunami has hit the area.  

Q5: Short Answer Type Questions.


(i) What do you mean by famine?
(ii) What will you do to save pet animals during a natural disaster?
(iii) People in Jasma's village rebuilt their houses with suggestions from the engineers. Will these houses be safer than before?
(iv) What can be done in case of famine and drought?
(v) Why do people live together in a neighborhood?

Q6: Long Answer Type Questions.


(i) What should one do if an earthquake occurs?
(ii) What kind of damage can an earthquake cause?
(iii) What advice do engineers and architects give people while building houses in earthquake-affected areas?
(iv) What type of difficulties (problems) are faced by people during floods?
(v) What does the government do to help the earthquake-affected people?
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FAQs on Worksheet: When the Earth Shook - 1

1. What causes earthquakes and why does the earth shake?
Ans. Earthquakes occur when tectonic plates beneath Earth's surface suddenly shift and release energy, causing the ground to tremble violently. This movement happens at plate boundaries where stress builds up over time. When the pressure becomes too great, the plates slip past each other, generating seismic waves that propagate outward and create the shaking we feel above ground.
2. How do scientists measure the strength of an earthquake?
Ans. Scientists use the Richter scale to measure earthquake magnitude, which rates the energy released on a scale from 1 to 9. Seismographs detect and record vibrations, providing precise measurements of ground movement. A higher magnitude number indicates a more powerful earthquake; for example, magnitude 5 causes moderate damage, while magnitude 7 or above triggers severe destruction across large areas.
3. What are seismic waves and how do they travel during earthquakes?
Ans. Seismic waves are energy vibrations released during earthquakes that travel through Earth's layers in different patterns. Primary waves (P-waves) move fastest and compress rock, while secondary waves (S-waves) travel slower and cause sideways motion. Surface waves move slowest but cause the most damage at ground level, arriving after the faster waves have already passed through deeper Earth structures.
4. Why do some areas experience more earthquakes than others?
Ans. Regions positioned along tectonic plate boundaries experience frequent earthquakes because stress continuously accumulates where plates collide, slide, or separate. Areas like the Pacific Ring of Fire have high seismic activity due to numerous active plate margins. Stable continental regions far from boundaries experience fewer earthquakes since tectonic movement is minimal in those zones.
5. What should people do to stay safe during an earthquake?
Ans. During an earthquake, people should immediately drop to the ground, take cover under sturdy furniture like tables, and hold on until shaking stops-this "Drop, Cover, Hold" technique protects against falling objects and injuries. Moving outdoors during shaking is dangerous; staying indoors away from windows is safer. After tremors cease, check for injuries, inspect buildings for damage, and follow emergency instructions from local authorities.
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