Ever wonder how milk becomes cheese? We asked about the science and the microbes that go into this tasty food. This week on Reactions, we visit St. James Cheese Company in New Orleans to learn all about the chemistry of your favorite dairy product.
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The Science Teachers Association of Ontario adds new resources, blog posts, videos and more on a regular basis.
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
From a tree to an orangutan to bacterium, the annual top 10 new species list has the newest stars of Earth's biodiversity. Source: Top 10 new species of 2018 include volcanic bacterium and a... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
https://youtu.be/c_e1wITe_ig The kilogram, mole, kelvin, and ampere will be redefined by physical constants. Will this be the last video I make about SI units? Quite possibly. There's something... read more
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry
The boiling point of a liquid depends on the external air pressure. When water is placed under vacuum, the boiling point decreases and the water boils. Boiling, however, is an endothermic... read more
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