Page 1 - Home assignment

SAI INTERNTIONAL SCHOOL
Class 8
Home Assignment
Subject- Physics
Ch- Some Natural Phenomena

Subtopic- Protection from earthquake

INSTRUCTIONS:
 Please solve or paste the worksheet in the Physics Copy.
 For Assertion& Reason question follow the following directions.
DIRECTION: Each of these questions contains an Assertion followed by Reason.
Read them carefully and answer the question on the basis of following options. You
have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of
Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation
of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.
1. Assertion: Do not use lift instead use stairs to go out of the house during an 1
earthquake.
Reason: There may be power cut and one may get trapped.
2. Assertion: In highly seismic areas it is better to use mud or timber instead of 1
using heavy construction material.
Reason: They are light in weight and will cause less damage.
Fill in the blanks
3. During an earthquake _________ area is safe when outdoors. 1
4. Buildings should be earthquake _________ in earthquake prone areas. 1
5. During an earthquake when in open area you should stay________ on the 1
ground
MCQ
6. Consider the list of terms given below: 1
(i) Seismic Zone
(ii) Fault Zone
(iii) Mantle
(iv) Inner Core
The boundaries of the earth’s plate are known as
(a) (i) & (ii)
(b) (i) & (iii)
(c) (iii) & (iv)
(d) (ii), (iii) & (iv)
7. Which one of following is not a protection against earthquakes when indoors. 1
a) Take shelter under a strong table
b) Stand near the corners of the room.
c) There should by fire fighting mechanism in the house.
d) You can move around the house.