Fun With Magnets | Chapter Assessment | English | Grade 6

Like poles of the magnet ________ each other.

• attract

• repel

• shows no change when placed near each other

• none of these

Answer explanation

Like poles of the magnet repel each other. Unlike poles of the magnet attract each other.

Materials which get attracted towards the magnet are called ______.

• poles of the magnet

• non-magnetic material

• magnetic material

• none of these

Answer explanation

Materials which get attracted towards the magnet are called magnetic material.

What is the fate of box A and B, in the given situation?

• Box A and B will attract each other

• Box A and B will repel each other

• Box A and B will neither attract nor repel

• None of these

Answer explanation

In the given situation, south pole of magnet of box A is facing towards the north pole of the magnet of box B. These are the unlike poles of the magnet. We know that, unlike poles of the magnet attract each other. Therefore, box A and box B will attract each other.

Find the odd one out with respect to magnetic materials.

• Iron

• Cobalt

• Nickel

• Wood

Answer explanation

Materials that get attracted towards the magnet are called magnetic material. Iron, Cobalt and Nickel are magnetic material. Wood is non magnetic material.

While experimenting in a laboratory, Amit came across an old magnet whose north pole and south pole markings were disappeared. What will Amit do, to identify a south pole of that magnet?

• Randomly mark north and south pole

• Will use iron filings to find north and south poles

• Will choose a magnet having north and south poles marked on it.

• Will choose a magnet having no markings.

Answer explanation

The markings on the old magnet is disappeared and Amit wants to find the south pole of this magnet. He will choose a magnet which have a north and south poles marked on it. Later he will place both the magnets nearby. We know that the unlike poles of the magnet attract each other. The pole of the old magnet that gets attracted towards the north pole of the new magnet, will be the south pole of the old magnet.

Which of the following is the correct statement?

• Magnets are the metals that attract other metals towards it.

• Materials that are not attracted by magnet are called non magnetic materials

• Like poles of the magnets attract each other

• High temperature have no effect on the properties of magnet

Answer explanation

The correct statement is - Materials that are not attracted by magnet are called non magnetic materials. Option 1, 3 and 4 are incorrect. Their corrections are - 1. Magnets are the rocks that attract metals like iron, cobalt, nickel. 2. Like poles of the magnet repel each other. 3. A magnet loses its properties when kept at high temperatures.

A horseshoe magnet has _______ poles.

• Two north poles

• Two south poles

• One north and one south poles

• Can't predict

Answer explanation

Each magnet has 2 poles, one north pole and other south pole.

A magnet loses its property when ______.

• magnet is kept in the hot place

• magnet falls from great height

• magnet is hit with hard object

• All of these

Answer explanation

A magnet loses its property when - 1. It is kept in a hot place 2. It falls from height 3. It hit with a hard object

Teacher provided mixture of sugar and iron filings to Gargi. Which of the following method is easiest way to separate iron filings from the mixture?

• Use a magnet to remove iron filings

• Handpick iron filings from the mixture

• Dissolve the sugar in water and strain the iron filling

• None of these

Answer explanation

To separate iron filings from the given mixture, use of magnet will be the easiest method.