Learn from School Connect Online in this chapter we will learn about Fun with Magnets Class 6 notes – Chapter 13, Here we have given NCERT Class 6 Science Notes Chapter 13 Fun with Magnets

CBSE Class 6 Science Notes Chapter 13 Fun with Magnets

The different topics covered in CBSE Class 6 Science Chapter 13 are tabulated below:

13.1Magnetic And Non-Magnetic Materials
13.2Poles Of Magnet
13.3Finding Directions
13.4Make Your Own Magnet
13.5Attraction And Repulsion Between Magnets

Ex : 13.1 –  Magnetic And Non-Magnetic Materials

One day a shepherd (Magnes), who lived in ancient Greece was surprised to find that he had to pull hard to free his stick (to which a small piece of iron is attached) at one end from a rock on the mountainside, but it seems, as if he was being attracted by the rock. The rock was a natural magnet and it attracted the iron tip of the shepherd’s stick. It is said that this is how natural magnets were discovered.

Magnet: An object that attracts substances like iron, cobalt, and nickel is called magnet.

Temporary magnets: Magnets that retain their magnetic properties only for a short period of time are called temporary magnets.

Permanent magnets: Magnets that retain their magnetic properties for a long period of time are called permanent magnets.

The materials which get attracted towards a magnet are magnetic.

For example : iron, nickel or cobalt.

The materials which are not attracted towards a magnet are non-magnetic materials.

For example : rubber, coins, feathers and leather.

Temporary magnets: Magnets that retain their magnetic properties only for a short period of time are called temporary magnets.

Permanent magnets: Magnets that retain their magnetic properties for a long period of time are called permanent magnets.

Types of Magnets :

Magnets are things that produce a magnetic field, a force field that either draws or repels certain materials, such as nickel and iron.

There are different types of magnets and are classified based on their shapes.

The different types of magnets include :

  • bar magnet
  • dumb-bell shaped magnet
  • horseshoe magnet
  • cylindrical magnet, etc

Shapes of Magnets: Magnets are made of different materials and in different shapes.

Ex : 13.2 –  Poles of Magnet

  • The ends of a magnet are called its poles.
  • One end is called the north pole, the other is called the south pole.
  • If you line up two magnets so that the south pole of one faces the north pole of the other, the magnets will pull toward each other. This is called attraction.
  • If you line the magnets up so that two of the same poles face each other, the magnets will push away. This is called repulsion.
  • Opposite poles attract each other, but similar poles repel.

Ex : 13.3 –  Finding Directions

Magnetic Compass: This is a small glass case containing a magnetised needle pivoted on a nail. The needle can rotate freely and always rests in a north-south direction.The magnetic compass is a simple device, which has been used from the ancient times by the sailors and other travellers to find directions.

Using magnets to find directions :

  • When a bar magnet is suspended freely by a thread, it aligns itself to the direction of North.
  • Travellers have used this property of magnets for ages to find directions.
  • A compass is a device with a magnetised needle pivoted inside a box covered by glass, which points to the direction of north and is a useful tool for finding directions.

Magnetic poles of the Earth :

  • Earth has 2 geographic poles:

(A). North pole: When suspended freely, one pole of the magnet always points towards the north. This is known as north-pole.

(B). South pole: When suspended freely, the end of a magnet points towards the south. This is known as south-pole.

  • Earth’s magnetic poles are near but not exactly in the same place as the geographic poles.
  • A magnetic compass aligns itself towards the magnetic north pole of the earth.

Using magnets to find directions :

  • When a bar magnet is suspended freely by a thread, it aligns itself to the direction of North.
  • Travellers have used this property of magnets for ages to find directions.
  • A compass is a device with a magnetised needle pivoted inside a box covered by glass, which points to the direction of north and is a useful tool for finding directions.

Ex : 13.4 –  Make Your Own Magnet

Can You Make Your Own Magnet?

Making a magnet

  • The magnetic material can be made into a magnet by rubbing a magnet on the surface of the magnetic material.
  • This creates an influence, where the particles inside the material align themselves like the poles of a magnet.

Microscopic cause of magnetism

  • Each particle in a magnetic material behaves somewhat like a bar magnet.
  • They are normally aligned randomly within the material.
  • But under the influence of a stronger magnet, they realign themselves according to the stronger magnet’s field.

Loss of magnetic property

A magnet can lose its properties due to the following activities.

  • Dropping from a height
  • Hitting with a hammer
  • Applying heat
  • Improper storage can also cause loss of magnetic properties

Ex : 13.5 –  Attraction And Repulsion Between Magnets

  • When two magnets are brought close to each other, they are either pulled towards each other, or pushed away from each other.
  • When the magnets are pulled towards each other, they are said to attract each other.
  • When they are pushed away from each other, they are said to repel each other.
  • Like poles repel each other, while unlike poles attract each other.
  • Whether the magnets attract or repel depends on which poles of the magnets are facing each other.

Inseparable Poles

  • Magnetic poles always exist in pairs.
  • If you cut a bar magnet in half, it forms 4 poles, each half having a north and a south pole.
Fun with Magnets Class 6 notes – Chapter 13 – School Connect Online

Conclusion :

  • Magnet: An object that attracts substances like iron, cobalt, and nickel is called magnet.
  • Magnetic compass : An instrument with a magnet that is used to find directions is called magnetic compass.
  • Temporary magnets: Magnets that retain their magnetic properties only for a short period of time are called temporary magnets.
  • Permanent magnets: Magnets that retain their magnetic properties for a long period of time are called permanent magnets.
  • Only magnetic materials are attracted by magnets.
  • Every magnet has two poles: the North Pole and the South Pole.
  • Magnetic forces are the strongest at the poles of the magnet.
  • A freely suspended magnet will come to rest in the Earth’s North-South direction.
  • Like poles of two magnets repel each other.
  • Unlike poles of two magnets attract each other.
  • Magnets can lose their properties if they are dropped from a height, hit with a hammer, heated, or stored in an improper manner.

CBSE Notes for Class 6 Science Free Download for All Chapters

CBSE Class 6 Science Study NotesCBSE Class 6 Science Study Notes
Food: Where Does It comes from? Class 6 notes – Chapter 1The Living Organisms And their Surroundings Class 6 notes – Chapter 9
Component of Food Class 6 notes – Chapter 2Motion and Measurement of Distances Class 6 notes – Chapter 10
Fibre to Fabric Class 6 notes – Chapter 3Light, Shadows and Reflection Class 6 notes – Chapter 11
Sorting Materials Into Groups Class 6 notes – Chapter 4Electricity and Circuits Class 6 notes – Chapter 12
Separation of Substances Class 6 notes – Chapter 5Fun with Magnets Class 6 notes – Chapter 13
Changes around Us Class 6 notes – Chapter 6Water Class 6 notes – Chapter 14
Getting to Know Plants Class 6 notes – Chapter 7Air Around Us Class 6 notes – Chapter 15
Body Movements Class 6 notes – Chapter 8Garbage In, Garbage Out Class 6 notes – Chapter 16

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