Young scientist demonstrating magnetic field with horseshoe magnet.
Schlüsselwörter
magnet,
magnetic,
field,
science,
experiment,
education,
learning,
physics,
demonstration,
children,
boy,
student,
school,
laboratory,
laboratory,
coat,
goggles,
horseshoe,
iron,
filing,
line,
force,
attraction,
repulsion,
north
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