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Chapter 13 – Fun with Magnets

The following Topics and Sub-Topics are covered in this chapter and are available on MSVgo:

Introduction

‘Fun with Magnets’ is a class 6 NCERT physics chapter that introduces you to the world of magnets and magnetic properties. How would you feel if you got the power to move anything without touching it? Or did you know that electromagnets could be made from simple iron tools? Magnets are used in TV speakers as well! It’s all possible with magnets as they have properties of attraction and repulsion. Not only this, you can even use magnets to find direction. So let us learn about how it is all done.

Magnets are any substance having magnetic properties of attraction and repulsion. They can be found naturally or made artificially. Magnets have a very interesting history. It is said that it was discovered by a shepherd named Magnes when he was herding his cattle. His iron stick got stuck to a rock that had magnetic properties, and hence magnetism was discovered. Those rocks were called magnetite.

Types of Magnetic Materials

All materials can be classified into two broad categories based on magnetisation. These are magnetic and non-magnetic materials. Their definitions are as follows.

Magnetic materials: Materials or substances having magnetic properties are called magnetic materials. Magnets attract these substances, for example, iron, cobalt and nickel.

Non-Magnetic Materials: Materials or substances that do not have magnetic properties are called non-magnetic materials. Magnets do not attract these materials—for example, sand, glass, rubber, cotton and more.

Every magnetic material has poles at the end of their length where the magnetic forces are the highest. Suppose you do a simple experiment of putting a bar magnet of table and iron filings scattered there. The iron filings will try to align themselves at the bar magnet end. You will even find a formation of circular type lines starting from one end of the magnet to the other end.

Magnets can be used to find directions because earth is also magnetic since the north pole of the earth has the geometric “South Pole” of the magnet and vice-versa. Hence, whenever a magnet is suspended freely, the magnet’s north pole aligns towards the north pole of the earth due to attraction. In compass, this simple trick is used to find direction.

You can make your magnet at home from an iron bar. It is an interesting experiment that you can perform at home. Let’s quickly see the procedure.

  • Pick a clean iron bar and place it on the table.
  • Take a bar magnet and place one of its ends on the iron end. Now without lifting the magnet, slowly slide it to the other end of the iron bar.
  • Now remove the magnet and bring it to the initial position from where we started.
  • Repeat the same process 30-45 times without any delay.
  • Now remove the magnet and take this iron bar near to nail. You will find the nail getting attracted to the iron bar and sticking to it.

Hence you have induced temporary magnetisation in the iron bar which will fade away with time.

Attraction and repulsion is the basic principle of magnetism. When we call any object a magnetic material, then we mean that that object can be attracted or repulsed in magnets’ presence. Let’s check these properties of magnets.

Attraction: When opposite poles are aligned with each other, then there is an attraction. For example, if we take the north pole of any bar magnet and align it along the south pole of another magnet, there is attraction.

Repulsion: When the same poles are aligned with each other, then there is repulsion. For example, if we take the north pole of any bar magnet and align it along the north pole of another magnet, there is repulsion.

Magnet is an important physical substance possessing magnetic properties. These magnetic properties can be attractive or repulsive in nature. There can be different kinds of magnets and different kinds of magnetic materials. They are used in MRI scanners, diagnostics, testing, TVs, speakers and more.

  1. What is fun with a magnet?

Fun with magnets is an NCERT class 6th science chapter that deals with a magnet, magnetic properties and magnetic materials. You can also learn about the discovery of magnets in this chapter.

  1. What are some magnetic objects?

Some objects attracted by magnets and can be converted into temporary magnets are iron, nickel, cobalt and more.

  1. What are 4 uses for magnets?

The four uses of magnets are:

  • In the doors of freezers and refrigerators, magnets are used for tight seal closing.
  • The stereo speakers, earphones and TVs have magnets.
  • They are used in computers to store data and CPU.
  • In medical diagnosis, it is used in the MRI machine for scanning.
  1. How do you play with a magnet?

We can make an electromagnet by using an iron nail. It’s a fun game where you use a wire tightly wrapped around the iron nail. Then you pass an electric current through it and magnetise the iron nail for some time.

  1. What are the 7 magnets?

There are four types of magnets, namely:

  • Neodymium iron boron
  • Samarium cobalt
  • Alnico
  • Ceramic or ferrite magnets
  1. Which is a natural magnet?

Natural magnets are substances that can be found in nature and have magnetic properties. E.g., magnetite 2.

If you want to know more about this topic, then use MSVgo learning app that provides intuitive video explanations with simple examples of the topic. If you are interested in knowing more about magnetic materials, then the best way is to learn by using videos.

High School Physics

  • Alternating Current
  • Atoms
  • Communication Systems
  • Current Electricity
  • Dual nature of Radiation and Matter
  • Electric Charges and Fields
  • Electricity
  • Electromagnetic Induction
  • Electromagnetic Waves
  • Electron Beams and Radioactivity
  • Electrons and Photons
  • Electrostatic Potential and Capacitance
  • Fluid Pressure
  • Force and Acceleration
  • Force And Laws Of Motion
  • Gravitation
  • Internal Energy
  • Kinetic Theory
  • Law of motion
  • Light – Reflection And Refraction
  • Magnetic Effects Of Electric Current
  • Magnetism and Matter
  • Management Of Natural Resources
  • Mechanical properties of Fluids
  • Mechanical properties of Solids
  • Motion
  • Motion in a plane
  • Motion in a straight line
  • Moving Charges and Magnetism
  • Nuclear Energy
  • Nuclei
  • Oscillations
  • Our Environment
  • Paths of Heat
  • Physical world
  • Ray optics and optical instruments
  • Semiconductor Devices
  • Semiconductor Electronics: Materials, Devices and Simple Circuits
  • Simple Machines
  • Sound
  • Sources Of Energy
  • Specific and Latent Heats
  • Spherical Mirrors
  • Static Electricity
  • Systems of Particles and Rotational motion
  • Thermal properties of matter
  • Thermodynamics
  • Units and Measurement
  • Vectors, Scalar Quantities and Elementary Calculus
  • Wave Optics
  • Waves
  • Work, Power and Energy

High School Chemistry

  • Acids, Bases and Salts
  • Alcohols, Phenols and Ethers
  • Aldehydes, Ketones and Carboxylic Acids
  • Aliphatic and Aromatic Hydrocarbons
  • Alkyl and Aryl Halides
  • Amines
  • Analytical Chemistry 
  • Atomic Structure
  • Atoms And Molecules
  • Basic concepts of Chemistry
  • Biomolecules
  • Carbon And Its Compounds
  • Carboxylic acids and Acid Derivatives
  • Chemical Bonding and Molecular Structures
  • Chemical Energetics
  • Chemical Equilibria
  • Chemical Kinetics
  • Chemical Reactions And Equations
  • Chemical Reactions and Their Mechanisms
  • Chemistry in Everyday Life
  • Chemistry of p-Block elements
  • Chemistry of Transition and Inner Transition
  • Classification of Elements
  • Coordination Compounds
  • Cyanide, Isocyanide, Nitro compounds and Amines
  • Electrochemistry
  • Electrolysis
  • Elements, Compounds and Mixtures
  • Environmental Chemistry
  • Equilibrium
  • Ethers and Carbonyl compounds
  • Haloalkanes and Haloarenes
  • Hydrocarbons
  • Hydrogen
  • Ideal solutions
  • Introduction to Organic Chemistry
  • Ionic equilibria
  • Matter
  • Matter Around Us
  • Matter In Our Surroundings
  • Metallurgy
  • Metals And Non-Metals
  • Mole Concept and Stoichiometry
  • Natural Resources
  • Organic Chemistry – Basic Principles
  • Periodic Classification of Elements
  • Physical and Chemical Changes
  • Physical and Chemical Properties of Water
  • Polymers
  • Preparation, Properties and Uses of Compounds
  • Principles and Processes of Isolation of Elements
  • Redox Reactions
  • Relative Molecular Mass and Mole
  • States of Matter
  • Structure Of The Atom
  • Study of Compounds
  • Study of Gas Laws
  • Study of Representative Elements
  • Surface Chemistry
  • The d-block and f-block elements
  • The Gaseous State
  • The p-Block Elements
  • The Periodic Table
  • The s-Block Elements
  • The Solid State
  • Thermodynamics

High School Biology

  • Absorption and Movement of Water in Plants
  • Adolescent Issues
  • Anatomy of Flowering Plants
  • Animal Kingdom
  • Bacteria and Fungi-Friends and Foe
  • Biodiversity and Conservation
  • Biofertilizers
  • Biological Classification
  • Biomedical Engineering
  • Biomolecules
  • Biotechnology and its Applications
  • Biotic Community
  • Body Fluids and Circulation
  • Breathing and Exchange of Gases
  • Cell – Unit of Life
  • Cell Cycle and Cell Division
  • Cell Division and Structure of Chromosomes
  • Cell Reproduction
  • Cellular Respiration
  • Chemical Coordination and Integration
  • Circulation
  • Control And Coordination
  • Crop Improvement
  • Digestion and Absorption
  • Diversity In Living Organisms
  • Ecosystem
  • Environmental Issues
  • Excretory Products and their Elimination
  • Flowering Plants
  • Genes and Chromosomes
  • Health and Diseases
  • Health and Its Significance
  • Heredity And Evolution
  • Heredity and Variation
  • How Do Organisms Reproduce?
  • Human Diseases
  • Human Eye And Colourful World
  • Human Health and Disease
  • Human Population
  • Human Reproduction
  • Hygiene
  • Improvement In Food Resources
  • Integumentary System- Skin
  • Kingdom Fungi
  • Kingdom Monera
  • Kingdom Protista
  • Life Processes
  • Locomotion and Movement
  • Microbes in Human Welfare
  • Mineral Nutrition
  • Molecular Basis of Inheritance
  • Morphology of Flowering Plants
  • Neural Control And Coordination
  • Nutrition in Human Beings
  • Organism and Population
  • Photosynthesis
  • Photosynthesis in Higher Plants
  • Plant Growth and Development
  • Plant Kingdom
  • Pollination and Fertilization
  • Pollution; Sources and its effects
  • Principles of Inheritance and Variation
  • Reproduction and Development in Angiosperms
  • Reproduction in Organisms
  • Reproductive Health
  • Respiration in Human Beings
  • Respiration in Plants
  • Respiratory System
  • Sexual Reproduction in Flowering Plants
  • Strategies for Enhancement in Food Production
  • Structural Organisation in Animals
  • Structural Organisation of the Cell
  • The Endocrine System
  • The Fundamental Unit Of Life
  • The Living World
  • The Nervous System and Sense Organs
  • Tissues
  • Transpiration
  • Transport in Plants

High School Math

  • Algebra – Arithmatic Progressions
  • Algebra – Complex Numbers and Quadratic Equations
  • Algebra – Linear Inequalities
  • Algebra – Pair of Linear Equations in Two Variables
  • Algebra – Polynomials
  • Algebra – Principle of Mathematical Induction
  • Algebra – Quadratic Equations
  • Binomial Theorem
  • Calculus – Applications of Derivatives
  • Calculus – Applications of the Integrals
  • Calculus – Continuity and Differentiability
  • Calculus – Differential Equations
  • Calculus – Integrals
  • Geometry – Area
  • Geometry – Circles
  • Geometry – Conic Sections
  • Geometry – Constructions
  • Geometry – Introduction to Euclid’s Geometry
  • Geometry – Three-dimensional Geometry
  • Geometry – Lines and Angles
  • Geometry – Quadrilaterals
  • Geometry – Straight Lines
  • Geometry – Triangles
  • Linear Programming
  • Matrices and Determinants
  • Mensuration – Areas
  • Mensuration – Surface Areas and Volumes
  • Number Systems
  • Number Systems – Real Numbers
  • Permutations and Combinations
  • Probability
  • Sequence and Series
  • Sets and Functions
  • Statistics 
  • Trignometry – Height and Distance
  • Trignometry – Identities
  • Trignometry – Introduction

Middle School Science

  • Acids, Bases And Salts
  • Air and Its Constituents
  • Basic Biology
  • Body Movements
  • Carbon and Its Compounds
  • Cell – Structure And Functions
  • Changes Around Us
  • Chemical Effects Of Electric Current
  • Chemistry in Your Life
  • Coal And Petroleum
  • Combustion And Flame
  • Components Of Food
  • Conservation Of Plants And Animals
  • Crop Production And Management
  • Electric Current And Its Effects
  • Electricity And Circuits
  • Elements and Compounds
  • Fibre To Fabric
  • Food production and management
  • Force And Pressure
  • Forests: Our Lifeline
  • Friction
  • Fun With Magnets
  • Garbage In, Garbage Out
  • Getting To Know Plants
  • Health and Hygiene
  • Heat
  • Hydrogen
  • Life Processes: Nutrition in Animals and Plants
  • Light, Shadows And Reflections
  • Materials: Metals And Non-Metals
  • Matter and Its States
  • Metals and Non-metals
  • Micro Organisms: Friend And Foe
  • Motion And Measurement Of Distances
  • Motion And Time
  • Nutrition In Animals
  • Nutrition In Plants
  • Organization in Living Things
  • Our Environment
  • Physical And Chemical Changes
  • Pollution and conservation
  • Pollution Of Air And Water
  • Reaching The Age Of Adolescence
  • Reproduction In Animals
  • Reproduction In Plants
  • Respiration In Organisms
  • Rocks and Minerals
  • Separation Of Substances
  • Simple Machines
  • Soil
  • Some Natural Phenomena
  • Sorting Materials Into Groups
  • Sound
  • Stars And The Solar System
  • Structure of Atom
  • Synthetic Fibers And Plastics
  • The Living Organisms And Their Surroundings
  • Transfer of Heat
  • Transformation of Substances
  • Transportation In Animals And Plants
  • Universe
  • Waste-water Story
  • Water: A Precious Resource
  • Weather, Climate And Adaptations Of Animals To Climate
  • Winds, Storms And Cyclones

Middle School Math

  • Addition
  • Area and Its Boundary
  • Boxes and Sketches
  • Data Handling
  • Fun With Numbers
  • Heavy and Light
  • How Many
  • Long And Short
  • Mapping
  • Measurement
  • Money
  • Multiplication and Factors
  • Multiply and Divide
  • Numbers
  • Parts and Wholes
  • Pattern Recognition
  • Patterns
  • Play With Patterns
  • Rupees And Paise
  • Shapes And Angles
  • Shapes And Designs
  • Shapes and Space
  • Similarity
  • Smart Charts
  • Squares
  • Subtraction
  • Tables And Shares
  • Tenths and Hundredths
  • Time
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