Categories: Gr 9-10 Science, Gr. 11-12 Chemistry
Introduction In this demo, the teacher creates a beautiful rainbow of colours in a demonstration tube using universal indicator and a dilute acid and base. Discussion Universal indicator can be used... read more
Categories: Gr 4-6 Science & Tech
All of us have, at one time or another, reached down to pick up a rock that has attracted us. Whether because of colour or shape, texture or pattern, rocks and minerals seem to call us towards... read more
Categories: Gr 4-6 Science & Tech, Gr 9-10 Science
In this demo, two polyethylene strips are charged on one end by rubbing with wool. One charged strip is then mounted on an evaporating dish and the other charged strip is used to make the dish spin.... read more
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