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 the charging of materials by induction as opposed to charging by contact.
Categories: Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 9-10 Science
Imagine our excitement when a Northern Saw-whet owl was discovered near our school property! When my Environmental Science class examined the beautiful creature closely, we saw that it had... read more
Categories: Gr 9-10 Science, Gr. 11-12 Biology
[caption id="attachment_7428" align="alignleft" width="450"] 41800307 - main blood cells in scale isolated on white background[/caption] Introduction Cells require a constant supply of glucose and... read more
Categories: All Science Teachers, Gr 4-6 Science & Tech, Gr 9-10 Science
Canadian David Saint-Jacques made his maiden voyage into space, joining Russian and American teammates for a launch from Baikonur, Kazakhstan. Here’s what you need to know Source: ‘David is an... read more
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