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Magnetic Attractions

A lesson plan for younger pupils. Objective: Use problem solving skills to investigate magnetic and non-magnetic materials. Iron, nickel and cobalt are magnetic materials. . This activity is from ...

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http://teacher.scholastic.com/lessonrepro/reproducibles/profbooks/magattr.htm

Magnetic Field Lines

A magnetic field can be thought of as consisting of lines of force. The forces of magnetic attraction and repulsion move along the lines of force. The site shows a magnet placed on a surface ...

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http://micro.magnet.fsu.edu/electromag/java/magneticlines/

Flux, Magnetic

Magnetic flux is the product of the average magnetic field times the perpendicular area that it penetrates.

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http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/fluxmg.html#c1

Magnetic field Demonstration

An interactive practical demonstration of a magnetic force on a current carrying wire and the change cause when the magnetic field is introduced.

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http://physics.bu.edu/~duffy/java/BFielda7.html

Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits. The magnetic field B is defined in ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/magfie.html#c1

Are the Earth's magnetic poles moving?

Brief ideas regarding magnetic polar wandering.

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http://www.sciam.com/article.cfm?id=are-the-earths-magnetic-p

Magnetic fields due to electric currents

Shows magnetic field patterns for wire, single turn coil and solenoid.

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http://schools.matter.org.uk/Content/MagneticFields/Default.htm

Electromagnetism

This is a site from the Thinkquest competition with good explanations on the magnetic effect of a current, the motor effect and magnetic field strength.

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http://library.thinkquest.org/15433/unit6/6-4.htm