Page 2 - Home Assignment- Eath as a giant magnet,preserving magnet
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SAI INTERNATIONAL SCHOOL
Class 6
Home Assignment
Subject- Physics
Ch. – Magnets and Their Effects
Subtopic- Earth as a giant magnet, preserving magnet
Which of the following doesn’t get demagnetized when a 1
powerful magnet is kept near it
2 a) CD
b) Music system
c) Cell phone
d) Comb
3 _________are used to prevent self-demagnetization of 1
magnets.
Assertion: Magnetic keepers are the soft iron pieces used to 1
5 store magnets.
Reason: Magnetic compass is used to find the direction.
6 What is demagnetization? 1
7 Write two uses of magnets. 2
8 Why the Earth behaves as a huge magnet? 1
