Lesson 8 — independent and dependent variables


Period 3
Magnetism
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Period 3
Magnetism

Slide 1 - Tekstslide

This lesson
Checking the homework
7.4 Identifying and controlling variables
Working independently

Slide 2 - Tekstslide

Learning goals
  • Checking the homeowork
  • Describe the difference between an independent and dependent variable

Slide 3 - Tekstslide

Checking the homework
7.1 — all exercises
7.2 — all exercises
7.3 — all exercises
7.4 — Yellow block exercises

Slide 4 - Tekstslide

Independent & dependent variables
step 1 — Working independently for 5 minutes
  •  Read 7.4
  • Write down your own explanation of dependent and independent variables
step 2 — Working together
  •  Compare your answers to your neighbours

Slide 5 - Tekstslide

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

Slide 6 - Tekstslide

Slide 7 - Tekstslide

Working independently
Homework
7.4 — workbook exercises 

Slide 8 - Tekstslide

Learning goals
  • Checking the homeowork
  • Describe the difference between an independent and dependent variable

Slide 9 - Tekstslide

Recap

Slide 10 - Tekstslide

7.3 Electromagnets — Key words
  • Electromagnetism

  • Electric current

  • Electro magnet

  • Solenoid

  • Core

  • Permanent magnets

Slide 11 - Tekstslide

Electricity & magnetism
  • Electric current
  • Electromagnetism 

Slide 12 - Tekstslide

Slide 13 - Tekstslide

Slide 14 - Tekstslide

Slide 15 - Tekstslide

Slide 16 - Tekstslide

Electromagnetism

  • A change in electric current creates a magnetic field.

  • A change in magnetic field creates an electric current.

Slide 17 - Tekstslide

An electromagnet

Slide 18 - Tekstslide

Slide 19 - Tekstslide

Making an electro magnet
  • Solenoid
  • Core

Slide 20 - Tekstslide

Solenoid

Slide 21 - Tekstslide

Electro magnet schematic

Slide 22 - Tekstslide

Slide 23 - Tekstslide

Slide 24 - Video

Slide 25 - Tekstslide

Slide 26 - Video