KIDS DIRECTORY

Results On The Web: 11 - 14 of 14

11. Simple Machines

    Check out animations, photos, and ideas for an wheel and axle, inclined plane, screw, lever, pulley, and wedge.

    http://library.thinkquest.org/J002079F/sub3.htm

    
    

12. Soo Locks

    Learn about these famous locks that form a passage for ships in the St. Marys River, the only water connection between Lake Superior and the other Great Lakes. See photos, learn about the history, and discover how locks work.

    http://huron.lre.usace.army.mil/SOO/soohmpg.html

    
    

13. Telegraph

    Picture and description of the telegraph invented by Samuel Morse. From the Smithsonian.

    http://www.150.si.edu/150trav/remember/r819.htm

    
    

14. Theater of Electricity

    Pictures of the huge Van de Graaff generator at the Boston Museum of Science. You can even see some of the huge sparks it makes!

    http://www.mos.org/sln/toe/gallery.html

    
    

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