by msander | Feb 28, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
There’s nothing like a good hand warmer in your glove when you’re skiing. But how do they work? Our science guy Steve Spangler uncovers the science secret that makes your hand warmer work. Contact Steve Spangler at steve@stevespangler.com Contact Steve’s business...
by msander | Feb 21, 2018 | Gr 9-10 Science, Gr. 11-12 Chemistry
This video shows the detonation of nitrogen triiodide, a shock-sensitive chemical. The chemistry of this reaction is fascinating. However, this demo is not recommended for the typical high school science lab due to the instability of the compound and the extensive...
by msander | Nov 27, 2017 | Gr. 11-12 Chemistry
There’s a lot of pretty chemistry in the reaction of aluminum wire with copper(II) chloride! Burnished copper crystals grow on the wire surface, and the blue color of copper(II) ions slowly fades. What relationships govern the relative amounts of aluminum and copper...
by msander | Jun 26, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
This video describes a simple rocket building activity that could be used as part of your STEM program. The rocket is powered by the reaction baking soda and vinegar. The video provides suggested trials that your students might...
by msander | Mar 27, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
St. Paddy’s Day is just around the corner, and so instead of celebrating with a glass of green beer, these year we decided to take a closer, chemical look into what makes redheads stand out from the crowd. It might surprise you to know that it’s not just...
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