activity

Make a yummy fish mummy

October 30, 2009

Ok, it probably wouldn’t be very yummy, but here’s another hands-on activity you can use that’s rather Halloween-like.  Called “Make a ‘mummy’”, this Exploratorium activity is a great way to demonstrate how mummification works, by drying out the tissue in a fish using baking soda.  Egyptians used a specific type of salt to do this, […]

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Science activities for Halloween!

October 27, 2009

With halloween fast approaching, it’s time to take advantage of a frivolous holiday to do some fun science stuff. No post about Halloween would be complete without a reference to the Grossology site. Scroll down for  “lab activities”:  This gets high marks from one teacher who says, “It has the simpliest of the slimey things, […]

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Whirled Music: The physics of whirlies!

September 5, 2008

Us geeks have strange hobbies. My old boss, Paul D., plays the corrugated plastic tube, also known as a “whirly.” I just posted a new episode of my Science Teaching Tips podcast where he plays the whirly (like a true master) and explains the science behind the sound. It’s not quite what you might think! […]

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