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Flashcards on Magnetic Materials
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What are magnetic materials?
Materials that can be magnetized or attracted to a magnet.
Give an example of a magnetic material.
Iron
True or False: Magnetic materials have their own magnetic field.
True
What are the two poles of a magnet called?
North pole and South pole
What happens when you break a magnet into two pieces?
Each piece becomes a new magnet with its own two poles.
In which grade do students usually learn about magnetic materials?
Grade 10
What is the property of a magnetic material that allows it to be magnetized?
Ferromagnetism
Can non-magnetic materials be attracted to magnets?
No
What is the symbol for a magnetic field?
B
What are some common uses of magnetic materials?
Magnetic storage devices, electric motors, and transformers.
When was the first magnet discovered?
Around 2500 years ago in ancient Greece.
What is the process of magnetizing a material called?
Induction
What is the strongest naturally occurring material magnet?
Magnetite
What is the unit used to measure magnetic field strength?
Tesla
Can magnets attract objects without touching them?
Yes, through the magnetic field.
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Test Your Knowledge
Which material can be magnetized or attracted to a magnet?
Wood
Iron
Plastic
Glass
Check Answers
What are the two poles of a magnet called?
East and West
North and South
Up and Down
Left and Right
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Which property of a magnetic material allows it to be magnetized?
Conductivity
Ferromagnetism
Transparency
Flexibility
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What is the symbol for a magnetic field?
A
C
B
D
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Can non-magnetic materials be attracted to magnets?
No
Yes
Sometimes
Depends on the size
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What are some common uses of magnetic materials?
Cooking
Magnetic storage devices
Electric motors
Transformers
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When was the first magnet discovered?
1800s
1600s
2500 years ago
Ancient Egypt
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What is the process of magnetizing a material called?
Induction
Reflection
Absorption
Decomposition
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What is the unit used to measure magnetic field strength?
Newton
Kelvin
Watt
Tesla
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Can magnets attract objects without touching them?
Yes
No
Only if they are metal objects
Only if they are small objects
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