by STAO ADMIN | Jan 10, 2020
There are millions of chemicals cited in the scientific literature and thousands more are being added every year. There is a lot of uncertainty and debate about the human health impacts of any particular chemical. Of the seven major metals know to Greeks, Mercury has...
by STAO ADMIN | Jan 10, 2020
Safety must be foremost in the minds of every presenter at STAO/APSO sponsored events. Every person who does demonstrations should be knowledgeable about the safe handling and disposal of all chemicals and the safe use of all demonstration equipment. Demonstrators...
by STAO ADMIN | Jan 10, 2020
A summary of the STAO Safety Committee’s beliefs about safety in the science classroom.
by STAO ADMIN | Jan 10, 2020
Taste experiments are normally run to test for the four kinds of taste receptors in the tongue. Students should be directed to run this experiment as a class in the school cafeteria, or BETTER, at home, using the following household chemicals: dilute table salt...
by STAO ADMIN | Jan 8, 2020
Students first get introduced to the concepts of pure substances and mixtures, and the particle theory by doing a photo-hunt for matter in their home and exploring the world of particles through images from electron microscopes. Then students design their own...
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