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Alexander Goolsby 4A

CAG Goolsby

on 27 April 2010

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Transcript of Magnetism

Magnetism Alexander Goolsby 4A Natural magnets have North and South Poles

Like poles repel and opposite poles attract

Magnetic field lines flow from North to South

Natural magnets are made from Iron, Nickel, and Cobalt

Magnets display magnetic characteristics Magnets have North and South poles. Like poles repel and different poles attract. Magnetic field lines flow from North to South. Natural magnets can only be made from Iron, Nickel, and Cobalt Magnetic substances can be induced by magnets to become magnets MRI
The MRI uses a powerful magnetic field, radio wave pulses and a computer to show detailed images of virtually all internal body structures. It is an invaluable tool in medical diagnostics. Medicine Astronomy Electronics Navigation Toys Electric Motor
Electric Motors produce mechanical energy by inducing a magnetic field with an electric current causing a rotor to spin. Electric motors are used in just about every moving device that runs on electricity. Compass
Compasses use a magnetic needle that always points north. Compasses are standard navigational tools. Speaker
The speaker is a device that uses fluctuating magnetic fields to produce sound.
Speakers are used in almost every sound emitting device. Resources
The LHC is a particle accelerator
that uses super magnets to conduct
scientific research. Notes
Full transcript