Lesson 7 — 7.4


Period 3
Magnetism
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Period 3
Magnetism

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This lesson
Recap 7.3
7.4 Identifying and controlling variables
Working independently

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Learning goals
  • Explain the relationship between electricity and magnetism
  • Describe how to make an electro magnet
  • Describe the difference between an independent and dependent variable

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Recap

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7.3 Electromagnets — Key words
  • Electromagnetism

  • Electric current

  • Electro magnet

  • Solenoid

  • Core

  • Permanent magnets

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Electricity & magnetism
  • Electric current
  • Electromagnetism 

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Electromagnetism

  • A change in electric current creates a magnetic field.

  • A change in magnetic field creates an electric current.

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An electromagnet

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Making an electro magnet
  • Solenoid
  • Core

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Solenoid

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Electro magnet schematic

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Slide 18 - Vidéo

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7.3 Electromagnets — Key words
  • Electromagnetism

  • Electric current

  • Electro magnet

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7.3 Electromagnets — Key words
  • Electromagnetism — The interaction between electricity and magnetism

  • Electric current

  • Electro magnet

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7.3 Electromagnets — Key words
  • Electromagnetism — The interaction between electricity and magnetism

  • Electric current — The flow of electricity

  • Electro magnet
 

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7.3 Electromagnets — Key words
  • Electromagnetism — The interaction between electricity and magnetism

  • Electric current — The flow of electricity

  • Electro magnet — A magnet based on the phenomenon of electromagnetism

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7.3 Electromagnets — Key words
  • Solenoid 

  • Core 


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    7.3 Electromagnets — Key words
    • Solenoid — A loop of wires that turns into an electro magnet when carrying electric current

    • Core 

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      7.3 Electromagnets — Key words
      • Solenoid — A loop of wires that turns into an electro magnet when carrying electric current

      • Core — The metal core of an electro magnet that guides the magnetic field


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        Working on 7.4
        Read 7.4
        Do The yellow block exercises + the workbook exercises

        Slide 28 - Diapositive

        Learning goals
        • Explain the relationship between electricity and magnetism
        • Describe how to make an electro magnet
        • Describe the difference between an independent and dependent variable

        Slide 29 - Diapositive