December 2007

Maxwell’s Equations posters

December 26, 2007

I’ve created a couple posters of Maxwell’s Equations (differential and integral form) and you can buy them online at Zazzle, or just ask me to send you the electronic file and you can print them yourselves. Good for the junior level physics classroom. Here’s a link to the integral form poster and to the differential [...]

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Ice Scream

December 20, 2007

Another episode of my podcast, Science Teaching Tips! Ice Scream TI staff educator Eric Muller demonstrates a “cool” thing to do with dry ice, and it even relates to the standards! More of Eric Muller’s activities: www.exo.net/~emuller

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Ferrofluid

December 20, 2007

I just realized I haven’t yet written about ferrofluid… I was mentioning it to a few folks last night over dinner (no, dinner with me isn’t as geeky as I’d generally like) and they hadn’t heard of it. Ferrofluid is a thick oil with tiny suspended particles of iron (magnetite) in it. That means that [...]

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How much IS a million?

December 10, 2007

I’ve posted a new episode of my Science Teaching Tips podcast… Episode 21: How much IS a million? Children’s book author David Schwartz shares some creative ways kids and teachers have used his books to look at big numbers. David Schwartz’s Web site: www.davidschwartz.com

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Podcasting talk at Asilomar

December 10, 2007

I gave a workshop last week at the California Math Council conference at Asilomar — on making and using podcasts in the mathematics classroom. Here are the handouts from that talk (PDF). This is a challenging workshop to give because people come in with so many different levels of knowledge about podcasting. Some are just [...]

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