by msander | Jul 19, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry
Deep underground lie stores of once-inaccessible natural gas. There’s a technology, called hydraulic fracturing, or “fracking,” that can extract this natural gas, potentially powering us for decades to come. So how does fracking work and why is it a source of such...
by msander | Jun 26, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Whether you sop it up with bread or use it to boost your cooking, olive oil is awesome. But a lot of chemistry goes on in that bottle that can make or break a product. Take the “extra virgin” standard: Chemistry tells us that a higher free-fatty-acid content leads to...
by msander | Feb 12, 2015 | Gr 9-10 Science, Gr. 11-12 Chemistry
Recent technological advances in horizontal drilling and fracking, short for hydraulic fracturing, have allowed the United States to tap natural gas and oil reserves at record and near-record levels, helping the country become awash in cheap gasoline. But just what is...
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...
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