The Physics To Go website will be unavailable Friday evening through Saturday afternoon as electrical work occurs in the American Center of Physics server room. Down time will begin at 6PM Eastern Time on Friday. Service is expected to resume by 6PM on Saturday, July 30.
The California Science Center's archive of do-it-yourself science projects. You can make a polymer out of Borax and white glue, examine the colors in marker ink, play with ping pong balls and Bernoulli's Principle, and much more.
In Do-It-Yourself Science, the California Science Center offers four hands-on activities that are easy to do at home with everyday materials. The activities are · Making the polymer "Gak" · Separating the colors in inks (paper chromatography) · Levitating a ping-pong ball in an airstream · Trying to blow a ping-pong ball out of a funnel All are fun and worthwhile, and several have colorful animated instructions, provided you have the Shockwave plug-in.
The site includes explanations of the science, which are at the appropriate level for youngsters who will perform these activities. These are well written, but the explanation for Floating in Air includes the statement, "Pressure is what we call it when something pushes on something else." Actually a push is a force, whereas pressure is the force on a standard unit of area.
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