by msander | Jun 22, 2015 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
In this demo, a polyethylene rod is charged by rubbing with wool. The charged rod is then used to bend a stream of water flowing from a tap. This demo is part of the STAO grade 9/10 demo collection – a series of engaging demos and activities specifically...
by msander | Jun 22, 2015 | Gr 9-10 Science
This activity is just one of 40 activities in the Grade 9/10 demo series available at the STAO website. Introduction The cells of green plants contain the pigment chlorophyll in organelles called chloroplasts. Chloroplasts capture the Sun’s energy and store...
by msander | Jun 22, 2015 | All Science Teachers
Parasites, the cutest octapus ever, cell phone sleep deprivation and Philae phones home. This eclectic collection of current science news stories, and much more, is brought to you by STAOBlog. SciNews is published every Monday and Thursday. Stay tuned for more....
by cbrookallred | Jun 22, 2015 | Gr. 11-12 Chemistry
By Leonard Bega and Keith Gale Curriculum Connection: SCH3U This lab determines the percentage by volume of oxygen in the air. We do this by allowing the oxygen in the air to rust iron contained in an iron wool. This causes the volume of the air to decrease as oxygen...
by cbrookallred | Jun 15, 2015 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
>>> Written by Steve Spangler. Use a magnet to prove that there really is iron in your breakfast cereal. The next time you’re eating a big bowl of breakfast cereal, take a closer look at the ingredients. You’ll find that your cereal contains more...
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