Download - Magnets
Transcript
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MAGNETSWhat do magnets do?
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Experiment
What will the magnet attract?
does not attract
attract Object
Pencil
Nail
Plastic cup
key
Bottle cap
Paper clip
Coin
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Magnets attract some objects
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Iron
Steel
Nickel
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Other objects doesn’t attract to the magnets
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What are poles?
South pole
North pole
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How poles react to each other
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Conclusion
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Compass
The needle inside a compass is a magnet that points to Earth’s north pole
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Magnets used everyday
Refrigerator magnets
Toys
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Paper clip holders
Door latches
Credit cards magnetic stripes