by STAO ADMIN | Nov 14, 2019
Almost every child at one time or another has experienced the wonder, and later, a sense of loss, from a helium balloon. The emotional attachment most students have to helium balloons can be used to focus them on a variety of Physics concepts. Adjust the...
by STAO ADMIN | Nov 14, 2019
This very simple to perform demo can be made very memorable by ensuring the students see it as a discrepant event. Students are expecting to see a free fall but instead see a low terminal velocity with no obvious source of friction.
by STAO ADMIN | Nov 13, 2019
Chemists are constantly faced with the daunting task of counting large numbers of items, specifically atoms, ions, molecules and compounds. This task is made even more difficult by the fact that not all atoms of the same element are identical. In this...
by STAO ADMIN | Nov 13, 2019
This activity involves the surprising neutralization reactions between the carbonic acid that forms when the carbon dioxide in one’s breath reacts with water and calcium hydroxide.
by STAO ADMIN | Nov 13, 2019
This activity allows students to explore the composition of the candy Pop Rocks by observing the reactions that take place when Pop Rocks are placed in water.
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