How Strong is a Straw?
by Miss Vicky Siebenhaar
Materials: potatoes, sturdy drinking straws (not the kind that bend)
U. S. Army - U.S. Navy - U.S. Grant
Although you know the eighteenth President of the United States as Ulysses S. Grant, this was not really his true name. In fact, the story behind his name is quite interesting. Read more »
Sound Waves
by Miss Vicky Siebenhaar
Materials: Thin-walled glass goblet (I purchased mine at a dollar store) Read more »
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