▷ 44 sec video
Electricity & magnetism
Dancing Paper Clips Exhibit
Paper clips move with the changing musical signal in an electromagnetic demonstration for science galleries and learning spaces.
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STEM SCIENCE CATEGORY
Electricity & magnetism exhibits.
Explore electric circuits, magnets, induction and electrostatic phenomena through educational exhibits.
All science categories1–24 of 28 exhibits
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▷ 31 sec video
Electricity & magnetism
Electromagnetic Shielding Exhibit
Different metal mesh covers demonstrate changes in a radio signal for science galleries and learning spaces.
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▷ 12 sec video
Electricity & magnetism
Musical Tesla Coil
A compact Tesla coil produces an enclosed high-voltage discharge. Compare its response to the audio.
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▷ 18 sec video
Electricity & magnetism
Magnetic Field
A rotating magnet changes the direction of nearby magnetic needles. Compare their directions at different positions.
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▷ 18 sec video
Electricity & magnetism
Levitating Bulb
Magnetic levitation supports a bulb without a visible mechanical connection. Watch the light in the suspended bulb.
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▷ 18 sec video
Electricity & magnetism
Electromagnetic Accelerator
Electromagnetic coils drive a metal ball around a track. Observe how its speed changes.
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▷ 18 sec video
Electricity & magnetism
Glow Discharge
An electric field excites gas inside sealed display vessels. Observe how the glow responds.
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▷ 11.5 sec video
Electricity & magnetism
Hand Battery
Different metals and moisture on the skin form a simple electrochemical cell. Try another pair and compare the meter reading.
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▷ 18.0 sec video
Electricity & magnetism
Dancing Ferrofluid
A magnetic field changes the shape of a magnetic liquid. Move the handle away and compare.
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▷ 17.9 sec video
Electricity & magnetism
Wireless Charging
Coils transfer electrical energy by inductive coupling without direct contact. Observe the response of the receiving device.
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▷ 14.0 sec video
Electricity & magnetism
Spinning Silver Egg
A rotating magnetic field induces currents in a conducting egg. Observe how its position changes as it spins.
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▷ 12 sec video
Electricity & magnetism
Magnet and Coil
Relative motion between a magnet and a coil induces an electric current. Compare the brightness of the light.
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▷ 12 sec video
Electricity & magnetism
Eddy Current Levitation
A rotating conducting disc develops eddy currents in the nearby magnetic field. Observe the position of the block above it.
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▷ 12 sec video
Electricity & magnetism
Magnetic Damping
Rings of different materials and structures fall at different speeds around magnetic columns. Compare how quickly the rings fall.
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▷ 12 sec video
Electricity & magnetism
Electric Motor
Moving magnets closer to a powered coil makes the rotor turn. Move the magnets away and compare the motion.
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▷ 12 sec video
Electricity & magnetism
Generating Anchor
Swing an anchor to move magnets relative to coils and observe the LEDs powered by the changing motion.
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▷ 12 sec video
Electricity & magnetism
Magnetic Weighing
Repelling magnets transfer a load from a floating pan to a weighing sensor. Compare the two readings.
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▷ 12 sec video
Electricity & magnetism
Point Discharge
A strong electric field near sharp electrode tips can ionize the air. Observe the discharge as the gap changes.
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▷ 12 sec video
Electricity & magnetism
Electrostatic Wind Wheel
Turn a handwheel to charge sharp points and observe the enclosed wheel respond to the resulting electrostatic wind.
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▷ 12 sec video
Electricity & magnetism
Electrostatic Fireworks
Small balls acquire charge from a metal tray and are repelled from it. Observe their repeated rise and fall.
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▷ 12 sec video
Electricity & magnetism
Electrostatic Pendulum
A small suspended ball moves between two charged electrodes. Follow its motion from one side to the other.
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▷ 12 sec video
Electricity & magnetism
Lorentz Force
A magnetic field deflects an electron beam inside the demonstration tube. Observe how the glowing trace changes.
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▷ 12 sec video
Electricity & magnetism
Body Conductivity
Holding two electrodes completes a demonstration circuit through the body. Release one electrode and watch the light.
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▷ 12 sec video
Electricity & magnetism
Magnetic Force
A nearby magnet attracts a chain without direct contact. Change the distance and compare the response.
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