by msander | Jun 18, 2017 | Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Curare, known as “flying death,” was used for centuries to make poisoned arrows. Scientists discovered how to use it to create life saving medical treatments that we still use today. Hosted by: Michael...
by msander | Jun 18, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
In this demonstration, a peeled potato is cut into the form of a candle and an almond slice is used as the candle’s “wick.” The teacher lights the almond slice on fire and it burns. The students see the object, and make observations about it. Then the teacher blows...
by msander | Jun 18, 2017 | Gr 9-10 Science, Gr. 11-12 Physics
I first saw a Schlieren imaging setup around ten years ago in Melbourne. I was immediately fascinated by the way I could see the warm air coming off my hand. I hadn’t expected the currents to be moving that fast or to be so visible. This was a tricky setup to...
by msander | Jun 18, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
Are humans nature’s greatest architects? When we look elsewhere in nature, we find some pretty amazing animal architects. Species like ants, termites, prairie dogs, birds, and more have engineered some incredible structures. This week we look at how a few of these...
by msander | Jun 15, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Ancient skeletons can tell us a great deal about the past, including the age, gender and even the social status of its former owner. But how can we know all of these details simply by examining some old, soil-caked bones? Farnaz Khatibi examines a fascinating branch...
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