Magnetism

Who was the greek sheperd who discovered magnet?

• Magnesis

• Magezaz

• Magnes

• Moris Magnes

_________ is a magnet itself

Which of the following activities can damage a magnet ?

• Washing the magnet

• Keeping it in a safe place covered

• Keeping soft iron between the magnets

• Applying heat

What is are temprorary magnets?

Complete the given analogy:

Nickel:Acttract::Wood: ________.

Tags

NGSS.MS-PS2-3

What would Rahul do to take the iron ring without Cheenu's help?

• He cant take the ring

• He can take it by attaching it to the magnet since magnet can actract iron

• He should hammer the magnet to a piece of wood and then take it so that it would easy for him

• He should take the help of a magnetic compass and tie it to a magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What are the ends of a magnet called?

Why do the iron fillings stick only at the ends of the magnet ?

Tags

NGSS.MS-PS2-5

In which of the following cases magnets are essential?

• To live a life on Earth

• To stick things like plastic and wood

• To use Fastag, Atm Cards

• For making toys

Tags

NGSS.MS-PS2-3

Permanant magnet is made of aloy of _______.