Iron filings forming circular patterns around a bar magnet on white surface, illustrating magnetic field lines and scientific principles of magnetism.
Schlüsselwörter
magnet,
attraction,
force,
iron,
filing,
bar,
circular,
pattern,
line,
illustration,
science,
physics,
experiment,
demonstration,
education,
learning,
laboratory,
research,
discovery,
energy,
polarity,
north,
south,
particle,
metal,
white,
surface,
closeup,
clean,
composition,
scientific,
phenomena,
visualisation,
diagram,
theory,
study,
interaction,
flux,
alignment,
movement,
direction,
strength,
measurement
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