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John Burk

Chemistry with Rising 9th Graders « Physics&Parsimony - 0 views

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    great blog post explaining why balancing reactions doesn't mean you have any understanding of what is actually taking place in that reaction. This calls into question the usefulness of teaching how to balance equations to middle school students 
John Burk

Pin Hole Theatre « Teach. Brian. Teach. - 1 views

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    Great idea for a lab-build a pinhole theater
anonymous

MyPhysicsLab - Sumo Wrestling Game - 0 views

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    Sumo wrestling game where students compete against each other and demonstrate all 3 of Newton's laws
John Burk

Can you analyze me now? Cell phones bring spectroscopy to the classroom | News Bureau |... - 1 views

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    how to build a cell phone spectrometer
anonymous

Not Even Wrong - 1 views

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    Peter Woit blog about string theory
John Burk

Elastic Hysteresis of a Rubber Band > Vernier Software & Technology - 0 views

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    Interesting experiment using force probe and motion sensor to characterize the energy loss of a rubber band
John Burk

Measuring Motor Speed > Vernier Software & Technology - 0 views

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    simple way to measure the rotational speed of a home-made motor using a voltage probe
anonymous

http://jersey.uoregon.edu/vlab/elements/Elements.html - 1 views

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    emission and absorption spectra for each element
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    emission and absorption spectra for each element
John Burk

www.theuniverseandmore.com - 4 views

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    Awesome kinematics graphing game
John Burk

Gettin' Real with Centripetal « Megan Hayes-Golding - 0 views

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    cool overhead map of turn for centripetal motino calc
John Burk

The Search for a More Perfect Kilogram | Magazine - 1 views

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    It's rather embarrassing that we still have a macroscopic chunk of something as the standard kilogram. The other fundamental units are defined in terms of atomic processes, but for mass we have a macro standard and an atomic standard. Scandalous! (I'm sure when the Higgs boson is found that everything will sort itself out.)
John Burk

Static Electricity Isn't What You Were Taught! : Starts With A Bang - 0 views

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    great summary of recent findings in static electricity. Readable at the high school level
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