by msander | Feb 5, 2015 | All Science Teachers
Hearts, hair loss, DNA, Xrays, and the first movements of the universe – just another typical edition of SciNews. This eclectic collection of current science news stories is brought to you by STAOBlog. SciNews is published every Monday and Thursday. Stay tuned...
by msander | Feb 5, 2015 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Snowflakes are infinitely beautiful, but are they infinitely unique? Here’s all the science behind Earth’s favorite cold crystal. Follow the author on Twitter: @jtotheizzoe Email author: itsokaytobesmart AT gmail DOT com Facebook:...
by cbrookallred | Feb 5, 2015 | Gr 7-8 Science & Tech
Implementing an issues-based framework to introduce scientific “units” is an effective approach to combining crucial aspects of the nature of science (NOS) with relevant science, technology, engineering, and mathematics (STEM) concepts and skills. It is the very...
by cbrookallred | Feb 5, 2015 | Gr 9-10 Science, Gr. 11-12 Chemistry
[youtube https://www.youtube.com/watch?v=xcyXGtsX7j8&w=800&h=450] An exciting chemical reaction where all you need is aluminum foil and rusted ball bearings. A rusted iron ball bearing seems like it might be past its prime, as far as uses go. Thankfully, all...
by msander | Feb 2, 2015 | Gr 9-10 Science, Gr. 11-12 Chemistry
Alkali metals can react explosively with water and it is textbook knowledge that this vigorous behaviour results from heat release, steam formation and ignition of the hydrogen gas that is produced. Here we suggest that the initial process enabling the alkali metal...
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