by msander | Jun 17, 2018 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Ever notice how cereal clumps up in your bowl, or how cereal sticks to the edges of the bowl? Bubbles in beverages do the same thing.You’ve probably seen this surface tension and buoyancy at work, but did you know there’s some mind-blowing science behind...
by msander | Nov 12, 2017 | Gr 7-8 Science & Tech
Here’s STAO’s own Otto Wevers using his fascination with cycling to conduct an experiment to the test the buoyancy of his fat tire...
by cbrookallred | May 25, 2015 | All Science Teachers
By Steve Spangler. A Solar Bag is a long plastic bag made from a very thin plastic and colored black to absorb solar energy. The heated air inside the bag provides buoyancy and causes the bag to float. Over the years, it’s become a very popular science demo for...
by msander | Apr 2, 2015 | Gr 7-8 Science & Tech, Gr 9-10 Science
Scientists seem to be infatuated with objects that float and sink. Even non-scientists find great joy in dropping stuff in water to see if it floats or sinks. Fans of David Letterman are quick to point out one of Dave’s favorite segments called, “Will It...
by cbrookallred | Nov 13, 2014 | All Science Teachers, Gr 7-8 Science & Tech, Gr 9-10 Science
By Steve Spangler Stack seven different liquids in seven different layers. Anyone can stack blocks, boxes, or books, but only those with a steady hand and a little understanding of chemistry can stack liquids. What if you could stack seven different liquids in seven...
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