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Magnetism

Put the phras...

Question

Put the phrases in the correct order to make sentences:

1. magnets, magnetites, and, lodestone, natural, are
2. substances, are attracted, magnetic, by a magnet
3. the poles, ends of a, are called, magnet, the two
4. north-south, freely, direction, towards the, always points, suspended magnet

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Solution

1. Lodestone and magnetites are natural magnets.

2. Magnetic substances are attracted by a magnet.

3. The two ends of a magnet are called the poles.

4. Freely suspended magnet always points towards the north-south direction.

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Similar questions

Q. poles, attracts, east-west, north-south like, opposite, repel, magnetic
Fill in the blanks in the following passage(s) from the words given above.

A magnet ........1......... small pieces of iron, nickel, cobalt. etc. The magnetic force of attraction is maximum in small regions near the ends of the magnet. These are called the ........2........of the magnet.
A freely suspended magnet always points in ......3...... direction. The end pointing towards north is called north seeking pole or north pole. The other end which points towards south is called south seeking pole or south pole. All magnets attract ...........4.......... poles of other magnets and also a few substances like iron, nickel and cobalt. Thus if an unknown substance is attracted by a magnet, we cannot be sure whether it is a magnet. But like poles of magnet ....,....5............ each other. Hence if there is repulsion between an unknown substance and a magnet, we can be sure that the unknown substance is a magnet. The substances which are attracted by magnets are called ......6...... substances.

Q. Fill in the blanks:
1. Materials which are attracted by magnets are called ............................. substances.
2. A magnet always comes to rest in the ............................. direction when suspended freely.
3. The regions on a magnet where the attraction power of the magnet is maximum are called ............................. of the magnet.
4. Like poles ............................. and unlike poles ............................. each other.
5. Artificial magnets are made in different shapes such as ............................. and ............................. .
6. Sailors use ............................. to find direction.
7. Paper is not a ............................. .
8. Magnetic poles always exist in ............................. .

Fill in the blanks to complete the sentences :

(a) Two ends of a magnet are called ..........

(b) Unlike poles of a magnet ............. each other.

(c) Like poles of a magnet ............ each other.

(d) A freely suspended magnet rests in the geographic ............ direction.

(a) Define magnetic field lines. Describe an activity to draw a magnetic filed line outside a bar magnet from one pole to another pole.

(b) Explain why, a freely suspended magnet always points in the north-south direction.

Q. Assertion :The ends of a magnet suspended freely point out always along north south direction. Reason: Earth behaves as a huge magnet.

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