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EM: Magnetic Field LINES
Forces and Motion 9.1
Magnetic Field Lines
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Slide 1:
Slide
Physics
Secondary Education
Age 13
This lesson contains
28 slides
, with
interactive quizzes
,
text slides
and
2 videos
.
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Items in this lesson
Forces and Motion 9.1
Magnetic Field Lines
Slide 1 - Slide
How are you today?
😒
🙁
😐
🙂
😃
Slide 2 - Poll
Highlights of the Day
describe a magnetic field, and explain that it surrounds a magnet and exerts a force on other magnetic fields
Values :
Responsibility and Determination
Slide 3 - Slide
Recall
Slide 4 - Slide
Magnetic Fields
A
magnetic field
is the area around a magnet where the effects of the magnet can be detected.
EFFECTS:
Attraction or Repulsion
Slide 5 - Slide
Strongest
Strongest
Slide 6 - Slide
Slide 7 - Slide
Strongest
Slide 8 - Slide
Strongest
The magnetic field is strongest where the lines are closest together.
Slide 9 - Slide
Slide 10 - Slide
Rules: Magnetic Field Lines
join opposite poles
have arrows that point N S
must not touch each other
must not cross each other
Slide 11 - Slide
If one magnet is
stronger
than another, the magnetic field of the stronger magnet will be different in two ways.
All the field lines will be closer together.
The field lines will extend further away from the magnet.
Slide 12 - Slide
S
N
Apply the Rules: Magnetic Field Lines
Slide 13 - Slide
Magnetic fields interacting
Two north poles repel.
Two south poles repel.
A north and a south pole attract.
Slide 14 - Slide
Slide 15 - Slide
S
N
S
N
Slide 16 - Slide
Slide 17 - Slide
S
N
N
S
Slide 18 - Slide
Slide 19 - Slide
N
S
S
N
Slide 20 - Slide
Forces and Motion 9.2
The Earth as a Magnet
Slide 21 - Slide
Highlights of the Day
explain that the reason the Earth has a magnetic field is that the core acts as a magnet
Values :
Responsibility and Determination
Slide 22 - Slide
The Earth's Magnetosphers
Slide 23 - Slide
Slide 24 - Video
Slide 25 - Video
Magnetic fields interacting
Two north poles repel.
Two south poles repel.
A north and a south pole attract.
Slide 26 - Slide
Slide 27 - Slide
Self-survey: Rate your level of understanding and participation in this lesson.
1
5
Slide 28 - Poll
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