SCIENCE- STD6- MAGICAL MAGNETS EXTRA QUESTIONS

EXTRA QUESTIONS

1)      DEFINE THE FOLLOWING:

a)       Magnets

b)      Magnetism

c)       Magnetic Poles

d)      Magnetite

e)      Magnetic Keepers

2)      What are the differences between magnetic and non-magnetic materials?

Give two examples of each.

3)      What are the different ways of preserving magnets?

4)      How was magnetite used for pilots and sailors?

5)      Describe different properties of the magnets.

6)      What is the principle on which magnetic compass works?

7)      How can we find out near which end is North Pole located in a bar magnet?

8)      Classify the following objects as magnetic and non-magnetic:

Iron, Rubber, Glass, Mirror, Cobalt, Nickel, plastic

9)      How can you make an iron strip into a magnet?

10)   What would happen if you tie a thread in the middle of the magnet and suspend it freely from a stand?

11)   What are Electromagnets? What is one of its most popular uses?

12)   Name any five electrical appliances in which magnets are used?