by msander | Jun 5, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Reproduce beautiful, multicolour art patterns using paper chromatography! Various colour pigments that make up black inks can be separated using radial chromatography. The inks are spotted onto a filter-paper circle containing a paper “wick” in the center, and the...
by cbrookallred | Jun 1, 2017 | Gr 7-8 Science & Tech
This activity helps to illustrate the particle theory and how it applies to solutions. Some earlier work using the particle theory is a prerequisite. Dissolving salt into water increases the water’s density, allowing more dense materials to float in the salt water...
by msander | Jun 1, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
New study in mice sheds light on how animals stay hydrated Viewed under a microscope, your tongue is an alien landscape, studded by fringed and bumpy buds that sense five basic tastes: salty, sour, sweet, bitter, and umami. But mammalian taste buds may have an...
by msander | May 29, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
Scientists tackle the long-standing mystery of the evolutionary forces behind the ocean’s behemoths. Learn more: http://www.sciencemag.org/news/2017/0… Greenland footage credit: NASA’s Goddard Space Flight...
by msander | May 25, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
How do you measure big forces accurately? By calibrating your force transducer on the world’s biggest weight – 1,000,000 pounds of force. This machine ensures planes don’t break apart, jets provide required thrust, and rockets make it to their...
by msander | May 19, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
The contest is to have students design an elemental tile for each of the four newly named elements, nihonium (Nh), moscovium (Mc), tennessine (Ts) and oganesson (Og). Voting for the winning tiles We are now down to the final four! During the month of May, we will...
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