A student conducted a scientific investigation on the magnetic properties of iron. She used a magnet to try to pick up iron nails. After making several observations, which question can she answer? Which part of a magnet is strongest at attracting iron? How fast does iron lose its magnetism? What is the importance of studying the magnetic field of a magnet? How does the color of iron change with exposure to air?
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A student conducted a scientific investigation on the magnetic properties of iron. She used a magnet...
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