Differentiate between Demagnetisation and self-demagnetisation.

Important Questions on Fun with Magnets

MEDIUM

6th CBSE

IMPORTANT

Millennium's Science>Chapter 13 - Fun with Magnets>Exercises>Q 1

Why are natural magnets not used in cranes to lift heavy loads?

HARD

6th CBSE

IMPORTANT

Millennium's Science>Chapter 13 - Fun with Magnets>Exercises>Q 2

A few pieces of similar looking magnets and iron are lying on a table. Can you separate them with the help of a piece of iron? Explain how.

MEDIUM

6th CBSE

IMPORTANT

Millennium's Science>Chapter 13 - Fun with Magnets>Value Based Questions:>Q 1

Sunaina went to visit her grandmother in summer vacations. One day her grandmother was hanging a portrait on the wall. As she was about to hammer the iron into the wall, it slipped through her hand and fell on the ground. Due to loss of vision she was not able to find it. Sunaina helped her and found the iron nail by using a magnet.

Now, answer the following using the above information:

1. How do you think Sunaina found the nail?

2. Why is the nail attracted by the magnet?

3. What values were displayed by Sunaina?