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Magnetic Field. Tape a magnet to the bottom of the cardboard. tape. magnet. cardboard. Turn the cardboard over. Pour the iron filings on the cardboard. iron filings. iron filings. What is magnetic field?. The iron filings form lines.
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Tape a magnet to the bottom of the cardboard tape magnet cardboard
Pour the iron filings on the cardboard. iron filings iron filings
What is magnetic field? • The iron filings form lines. • These lines show where the magnetic field lies. magnetic field
Why it works • Each iron filing is attracted to the magnet along invisible lines of force. model of the magnetic field