Lesson 7 — 7.4

• magnetism
• Middelbare school
• havo, vwo
• Leerjaar 2

Period 3

Magnetism

This lesson

Recap 7.3

7.4 Identifying and controlling variables

Working independently

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

Recap

7.3 Electromagnets — Key words

• Electromagnetism
  

• Electric current
  

• Electro magnet

• Solenoid
  

• Core
  

• Permanent magnets

Electricity & magnetism

• Electric current
• Electromagnetism 

Link

Electromagnetism

• A change in electric current creates a magnetic field.

• A change in magnetic field creates an electric current.
  

An electromagnet

Making an electro magnet

• Solenoid
  
• Core
  

Solenoid

Electro magnet schematic

7.3 Electromagnets — Key words

• Electromagnetism

• Electric current
  

• Electro magnet

7.3 Electromagnets — Key words

• Electromagnetism — The interaction between electricity and magnetism

• Electric current
  

• Electro magnet

7.3 Electromagnets — Key words

• Electromagnetism — The interaction between electricity and magnetism

• Electric current — The flow of electricity
  

• Electro magnet

 

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

7.3 Electromagnets — Key words

• Solenoid 

• Core 
  

7.3 Electromagnets — Key words

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

• Core 

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
  

Working on 7.4

Read 7.4

Do The yellow block exercises + the workbook exercises

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