by msander | Feb 13, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
It’s peak cold and flu season, and mucus is making many of our lives miserable. But despite being a little icky, phlegm gets a bad rap. This germ-fighting goo contains cells and chemical compounds that help us power through a cold. You can also think of mucus as a...
by msander | Feb 13, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics, Safety
Question: The STAO Safe on Science document (2011) indicates that only class 1 and class 2 lasers are recommended for use in high school science classes. Many of the documents that I have examined indicate that Class 3A (old classification), now called Class 3R (new...
by cbrookallred | Feb 13, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Food labels often contain the word ‘fortified’. This means that one or more ingredients have been added that are not normally found in that food item. The purpose is to increase the amount of that mineral or nutrient to serve a dietary purpose. Table salt is...
by cbrookallred | Feb 12, 2017 | All Science Teachers
Maybe not as many new species; peer support helpful; oxygen here earlier than thought; BPA controversy; new engineered material cools roofs; France calling out to scientists, etc. working on climate control – just a few of the themes in today’s eclectic...
by msander | Feb 10, 2017 | All Science Teachers
By Nicole Mortillaro, CBC News Posted: Feb 10, 2017 5:00 AM ET Last Updated: Feb 10, 2017 9:20 AM ET This weekend offers a good reminder that there’s a lot going on in space Friday is a night full of fun astronomical treats. First, there’s February’s...
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