Lesson 11 — 7.5

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

Period 3

Magnetism

• During classical explanation – have a question, raise your hand

• While working independently – disturb the class, go to olc 2 for the rest of the lesson with extra work

•  Not participating serious in the class (making noise, inappropriate jokes, etc.) — go to olc 2 with extra work

• Disturb the class – warning – come to school the next day at 8

Exercise

• Read 7.5
  
• What about it is not clear to you
• Start the yellow block exercises

This lesson

Recap

7.5 Using electromagnets

Discussing the homework

Working independenlty

Learning goals

• Name several applications of a elctromagnets
  
• Explain how a relay switch works
  
• Explain how an electromagnet is used in a doorbel
  
• Describe what electromagnetism is used for in medicine
  

Recap

7.4 Independent and dependent variables

Independent variables

• This variables is controlled

•  This variable you make changes to

• Cause
  

• Controlled
  

Dependent variables 

• This variable is measured

• This variable reacts to the changes you make

• Effect
  

• Reacts
  

7.5 Using electro magnets

Electro magnets in medicine

• MRI — Magnetic resonance imaging
  

Working independenlty

•  Workbook exercises 7.5
• Studying for the test week

Learning goals

• Name several applications of a elctromagnets
  
• Explain how a relay switch works
  
• Explain how an electromagnet is used in a doorbel
  
• Describe what electromagnetism is used for in medicine