
Permanent and Temporary Magnets
Presentation
•
Physics
•
6th - 8th Grade
•
Hard
Joseph Anderson
FREE Resource
11 Slides • 9 Questions
1
Magnetism

2
3
4
5
6
7
8
Multiple Choice
What do similar poles do?
Repel
Attract
9
Multiple Choice
A north pole and a south pole will attract.
True
False
10
Multiple Choice
True
False
11
Multiple Choice
What will happen when these magnets are brought close together? (image shows two magnets with the N end pointed towards each other)
They will attract each other.
They will repel each other.
Both the magnets will turn to the left.
Both the magnets will turn to the right.
12
Multiple Choice
Looking at the drawing. If you tried to move these 2 magnets closer together, what would you feel? (image shows two magnets with the N end pointed towards a S end)
Push Away
Pull Closer together
No Force
Let the Force be with YOU
13
Electromagnetism
An electrical current moving through a wire creates a magnetic field
14
Multiple Choice
Electric currents produce _____________
electron clouds
magnetic fields
sound waves
15
Why do it?
Electromagnets are useful because they can easily be turned on and off and they can be made stronger or weaker as needed
16
Electromagnets are used in many different ways
Cranes
Levitating trains
Electronic locks
MRI machines
17
Multiple Choice
What type of magnet that can turned on and off?
electromagnet
permanent magnet
electricity
battery
18
Multiple Choice
Magnets on refrigerator cannot be turned off. Which type of magnets they belong?
electromagnets
battery
permanent magnets
copper wire
19
20
Multiple Choice
Moving electrical charge or current creates a
dead zone for magnets
magnetic field
Magnetism

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