Y8: Magnetic Fields + Electromagnets
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Lesson duration is: 40 minItems in this lesson
Slide 1 - Slide
Contact Forces
Non-contact Forces
Friction
Thrust
Weight
Gravity
Drag
Magnetism
Tension
Air resistance
Electrostatic
Upthrust
Slide 2 - Drag question
A North pole and a North pole will...
A
Attract
B
Repel
Slide 3 - Quiz
A North pole and a South pole will...
A
Attract
B
Repel
Slide 4 - Quiz
Magnetic field lines always run from North to South.
A
True
B
False
Slide 5 - Quiz
Where is a magnetic field strongest? How can you tell on a diagram?
Slide 6 - Open question
Label the poles.
North
South
Slide 7 - Drag question
Label the poles.
North
South
Slide 8 - Drag question
Label the poles.
North
South
Slide 9 - Drag question
Label the poles.
North
South
North
South
Slide 10 - Drag question
Where is the magnetic field strongest?
Slide 11 - Drag question
Where is the magnetic field strongest?
Slide 12 - Drag question
Where is the magnetic field strongest?
Slide 13 - Drag question
Where is the magnetic field weakest?
Slide 14 - Drag question
Where is the magnetic field weakest?
Slide 15 - Drag question
Where is the magnetic field weakest?
Slide 16 - Drag question
Slide 17 - Video
Slide 18 - Slide
Slide 19 - Slide
Slide 20 - Slide
Slide 21 - Slide
Which letter shows a solenoid?
A
A
B
B
C
C
D
D
Slide 22 - Quiz
Which image correctly shows the magnetic field when the current is on?
A
A
B
B
C
C
D
D
Slide 23 - Quiz
Which image correctly shows the magnetic field when the current is off?
A
A
B
B
C
C
D
D
Slide 24 - Quiz
Slide 25 - Slide
Which electromagnetic field will be the strongest?
A
A
B
B
C
C
D
D
Slide 26 - Quiz
Which electromagnet will be the strongest?
A
A
B
B
C
C
D
D
Slide 27 - Quiz
Which electromagnetic field will be the weakest?
A
A
B
B
C
C
D
D
Slide 28 - Quiz
Which electromagnetic field will be the strongest?
A
A
B
B
C
C
D
D
Slide 29 - Quiz
Slide 30 - Slide
Give 3 ways to increase the strength of an electromagnet.
