Snowflakes are infinitely beautiful, but are they infinitely unique? Here’s all the science behind Earth’s favorite cold crystal.
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Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigita…
Categories: Gr 9-10 Science
In this demo, a polyethylene strip is charged by rubbing with wool. The charged strip is then used to make paper circles stand on their edges inside a Petri dish. This demo introduces students to... read more
Categories: Gr 4-6 Science & Tech, Gr 9-10 Science
Curriculum Connection: Grade 6 Space, Grade 9 Astronomy To help find your way around the night sky, Skymaps.com makes available for free each month The Evening Sky Map. It is a 2-page monthly... read more
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
https://youtu.be/uSTNyHkde08 Each day, the animal kingdom produces roughly enough poop to match the volume of water pouring over Victoria Falls. So why isn’t the planet covered in the stuff? You... read more
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