by msander | Mar 4, 2021 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
Introduction Hans Christian Oersted (1777–1851), a Danish physicist, was performing an experiment in 1820 when he noticed that whenever an electric current from a battery was switched on or off, a nearby compass needle was deflected. Through additional experiments,...
by msander | Dec 2, 2019 | Gr. 11-12 Chemistry, Gr. 11-12 Physics
Graph P versus V and accurately determine atmospheric pressure using a syringe, pressurized soda bottle. This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free professional development...
by msander | Aug 6, 2019 | All Science Teachers
If you’ve watched videos on a smartphone, then you know it can be tough to truly enjoy a show on such a small screen. For those who are in the mood to do something creative, you can make your own projector. All you need is a cardboard box, a smart phone with videos,...
by msander | Feb 18, 2019 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
Introduction Measuring tiny volumes with precision and accuracy requires a micropipet. In the biology lab, micropipets are used for preparing and loading DNA samples, microscale experiments and the preparation of many types of samples. These applications rely on good...
by msander | Jan 25, 2019 | Gr. 11-12 Biology
Introduction Deoxyribonucleic acid (DNA) is the genetic material found inside the nucleus of eukaryotic organisms. The information coded by DNA determines the characteristics of an organism, including its size, shape and other unique features. How can this genetic...
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