by msander | Jul 14, 2019 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
Trees can weigh hundreds or even thousands of tons, but where do they get this mass from? A few common answers are: the soil, water, and sunlight. But the truth is the vast majority of a dry tree’s mass comes from the air – it originated as carbon...
by msander | Jul 10, 2019 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Susanne Åkesson, Professor of Evolutionary Ecology at Lund University in Sweden, has been awarded the prestigious Ig Nobel Prize. The prize, which she shares with six other researchers from Hungary and Spain, was presented to them for their discovery that white horses...
by msander | Jul 7, 2019 | All Science Teachers
There are a lot of stereotypes and stigma surrounding alcohol that prevent both understanding and adequate care, and the spectrum of symptoms that alcohol use disorder can include is a lot more complicated than you might think. Hosted by: Hank Green SciShow has a...
by msander | Jul 4, 2019 | All Science Teachers
Source: Call for Presenters
by msander | Jul 2, 2019 | Gr 9-10 Science, Gr. 11-12 Chemistry
We need water to survive–and Earth is covered in it! Unfortunately, almost all of that water is salty. In this week’s episode of Reactions find out why getting freshwater from ocean water is a lot trickier than you might imagine.
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