by STAO ADMIN | Nov 13, 2019
This demonstration serves as a superb introduction to the refraction of light. Students place a penny underneath a plastic cup. While viewing the penny through the side of the cup, they slowly fill the cup with water. The penny disappears from sight.
by STAO ADMIN | Nov 13, 2019
This demonstration serves as a superb introduction to the refraction of light. Students will view a penny at the bottom of an opaque plastic cup. After moving slightly so that the penny just barely disappears from sight, water is slowly added. The penny magically...
by STAO ADMIN | Nov 13, 2019
A circular disc is made with two or more colours of the visible spectrum in equal area sectors. The disc is spun and a different colour appears.
by STAO ADMIN | Nov 13, 2019
“Our bodies are bombarded by bacteria and viruses. For those that make their way inside, our immune system is on guard, waiting not only to kill the invaders but also to create memory cells that will help defeat them more quickly the next time they try to...
by STAO ADMIN | Nov 13, 2019
This demonstration (adapted from http://www.indiana.edu/~ensiweb/lessons/origami.html where there is additional information) models the process of evolution by introducing random mutations into organisms (paper and straw birds). Birds are then selected for the...
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