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Jouer Froggy Jumps
1. What is the property of a magnet that allows it to attract certain materials?
A
Friction
B
Magnetic force
C
Electric charge
2. What is the North pole of a magnet attracted to?
A
North pole
B
South pole
C
East pole
3. What happens when you cut a magnet in half?
A
You get two smaller magnets, each with a North and South pole
B
It turns into a metal piece
C
It becomes non-magnetic
4. Which material is not attracted to magnets?
A
Iron
B
Wood
C
Nickel
5. What is the Earth's magnetic field created by?
A
Solar flares
B
Movement of molten iron in the Earth's core
C
Static electricity
6. What is the name of the region around a magnet where its magnetic force is strongest?
A
Magnetic field
B
Electric circuit
C
Gravity zone
7. What happens when you bring the North pole of one magnet close to the North pole of another?
A
They cancel each other out
B
They attract each other
C
They repel each other
8. What is the process of making a magnet by rubbing it against another magnet called?
A
Polarization
B
Magnetization
C
Demagnetization
9. What is the name of the metal that is commonly used to make permanent magnets?
A
Iron
B
Aluminum
C
Copper
10. Magnets are NOT used to
A
keep the refrigerator door closed
B
make a train move
C
keep Lego pieces together