Lesson 4

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

Period 3

Magnetism

This lesson

•  Recap magnetism
• Discussing the test of P2 — Sound
• Working independently

Learning goals

• Name the basic properties of a magnet
• Explain what is meant by domains in magnets
• Describe how magnetising works
• Explain what is meant by a magnetic field
• Explain what is meant by a ferrofluid 

Magnetism — a simple definition:

• The attractive and repulsive force created by magnets
  

Magnetism — Attraction and repulsion

• Like poles repel
  

• Unlike poles attract
  

Magnetic materials

• Iron
  
• Nickel
  
• Cobalt
  
• Steel
  
• Stainless steel
  
• Several rare earth metals
  

FerroFluid

Magnetic fields

Discussing the test

P2 — Sound

Working independently

Homework:

• Read – 7.3
  
• Do – yellow block exercises 7.3
  

Learning goals

• Name the basic properties of a magnet
• Explain what is meant by domains in magnets
• Describe how magnetising works
• Explain what is meant by a magnetic field
• Explain what is meant by a ferrofluid