Move compass to see field lines
http://www.walter-fendt.de/html5/phen/magneticfieldbar_en.htm
Move compass to see field lines
http://www.walter-fendt.de/html5/phen/magneticfieldbar_en.htm
Move compass to see field lines, see strength of field
http://www.physicsclassroom.com/Physics-Interactives/Magnetism
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Move mini domains to make a magnet, see field strength
http://demoroom.physics.ncsu.edu/labs/MagneticDomains/
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Slide magent and see pivoting magnets move. Work out poles of pivoting magnets
Water
Change volume, measure pressure, answer questions
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See effect of stage lighting
http://www.physicsclassroom.com/Physics-Interactives/Light-and-Color/Stage-Lighting
Visualising B/E fields in wave
http://www.walter-fendt.de/html5/phen/electromagneticwave_en.htm
Helen rates this resource as Good