by msander | Mar 30, 2017 | Gr. 11-12 Physics
Everywhere that physics is discussed it is safe to presume that the language of mathematics is never too far away. If we were to eavesdrop on these conversations, whether they occur in front of a blackboard or seated at a cafe with large enough napkins, we would not...
by cbrookallred | Mar 30, 2017 | 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. As both strips become negatively charged when rubbed with wool they...
by msander | Mar 30, 2017 | Gr 9-10 Science, Gr. 11-12 Physics
Cosmologists and astronomers have found a discrepancy in the Hubble constant from opposite ends of the universe. Is the Hubble constant in trouble? Learn more: http://scim.ag/2lUJ6BZ...
by cbrookallred | Mar 27, 2017 | Gr 9-10 Science, Gr. 11-12 Physics
This demonstration will amaze and astound! As you pour vegetable oil into a small Pyrex beaker placed inside a larger Pyrex beaker, the smaller beaker will magically disappear! This happens because Pyrex and the oil have a similar index of refraction. The straw and...
by msander | Mar 27, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
St. Paddy’s Day is just around the corner, and so instead of celebrating with a glass of green beer, these year we decided to take a closer, chemical look into what makes redheads stand out from the crowd. It might surprise you to know that it’s not just...
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