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Magnets


Magnets

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Item Number:
SM K7853
Price:
$19.95
Format:
VHS
     Click for DVD Format   
Length:
13 min.
Copyright:
2002
Closed Caption:
Yes
Producer:
Schlessinger Media
Grade Level:
3 - 6
ISBN:
1572255757
UPC:
753201061638
Summary:
In Magnets, inhabitants of Mammoth Island discover the power of an invisible force called magnetism when a sudden lightning bolt transforms their "clothes dryer" -- a contraption made of wire wound into a coil around an iron bar. When an electric current flows through the wire, the current creates a magnetic field around it. The iron bar in the middle helps to concentrate the field, and because of the high number of turns in the coil, a very strong magnetic field is created. When the current flows, the bar develops opposite poles at either end, which attract iron and steel objects. The inhabitants of Mammoth Island learn that opposites really do attract as they explore the many ways in which magnets can be used! Part of the multivolume series, The Way Things Work, based on the best-selling book by David Macaulay. Includes a Teacher's Guide.

Only available in the US.


Series Name:
    Way Things Work Video Series, The



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