Subject: Science

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Lesson Info

  • Notes 2
  • Videos 4
  • Exercises 16
  • Practice Test 10
  • Skill Level Medium


Upon completion of this lesson, student must be able to:

  • List the properties of magnets.
  • State molecular theory of magnetism.
  • Write definition of Demagnetization.
  • Explain about properties of magnet.
  • Write the molecular theory of magnetism.



Magnets are generally of two types: natural magnets and artificial magnets. Molecular theory of magnetism states, "If molecular magnets align in a row, then the substance exhibits magnetic property. Using this principle artificial magnets are created. This lesson deals with the properties of the magnet and the molecular theory of magnetism. Learn More

Magnetic Induction and Demagnetization

Magnetic induction is the process by which substances like iron are magnetised by the magnetic field. Demagnetization means decreasing magnetic property or losing it completely. This note provides us with an information about the magnetising of a magnetic substance and demagnetizing magnets. Learn More

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