ZXYHLLGK 3D Magnetic Field Lines Demonstration Kit, Transparent Iron Filing Box & Permanent Magnet Set for Induction Line Distribution Physics Teaching Experiments
ZXYHLLGK
This complete demonstration set mainly consists of transparent iron powder storage container and matched permanent magnet, specially developed for standard middle school physics magnetism curriculum verification experiments. The magnetic field display box is manufactured from high-transparency plastic with rectangular inner cavity pre-filled with quantitative fine iron filings for field pattern observation. Tilt and adjust the placement angle of the plastic box freely to drive internal iron filings shift and rearrange following the surrounding magnetic field distribution. It serves as standard classroom teaching equipment and physics lab accessory to turn invisible magnetic induction lines into visible patterned arrangement via iron powder magnetization characteristics. After placing the magnet inside the box, dispersed iron particles get magnetized into tiny miniature magnets and align end-to-end to visually outline the actual layout of surrounding magnetic field lines.
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