A few cool things about science that relate to the holidays. I wrote this *before* Christmas, but, oh well, better late than never?
Dot Physics has a wonderful post on why Christmas tree lights stay lit even when one of them burns out, which is an unusual way for a series circuit to work. Some nice explanations using Kirchoff’s laws make this a wonderful little post to stimulate a science lesson for the season.
From Sebastien Martin
I have an old post on why it’s a myth that no two snowflakes are the same shape.
And Morning Coffee Physics has a delightful little post on why snow sparkles. This is just my kind of science — gorgeously explanatory post about something we see every day.
Sebastien Martin at the Exploratorium has some beautiful images on his Flickr site showing how they used Christmas lights to demonstrate resonance and harmonics (see picture at right).
Steve Spangler Science gives you some ideas to deck the halls…holiday decorations with science.
And then of course there’s the old favorite Instant Snow (video on Teacher Tube). Insta-Snow is made from sodium polyacrylate, a water-absorbing polymer.
And on the Ellen show….
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