Monthly Archives: December 2009

Christmas Quiz results

For some of the groups I teach I begin each lesson with a very quick ten-question quiz. The last quiz of the term was a bit dif­ferent. Question 1 Who would win in a fight between Batman and Superman? I was dis­ap­pointed … Continue reading

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Papercraft Christmas turkey

Make your own.

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What’s inside a Ferrero Rocher?

I love Ferrero Rocher; I wanted to know what was inside one. Layer 1 is shiny gold foil. Do not eat this layer, it does not taste good. Layer 2 is made of chocolate and crushed hazel­nuts. This is my favourite … Continue reading

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The Year in Nonsense”

Ben Goldacre’s end of year roundup of Bad Science should be com­pulsory reading for everyone.

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How to make a revision timetable

If you’re inter­ested in this post, you might also be inter­ested in my post about exam tech­nique in physics. There’s a running joke amongst teachers about the pupil who spends so much time pre­paring a revision timetable that they never … Continue reading

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Fairtrade is not Freetrade

Fairtrade products are heavily promoted in my school’s canteen, but Fairtrade is not without it’s faults. For example: Most of the farmers helped by Fairtrade are in Mexico (HDI: 0.854), a rel­at­ively well developed country, rather than in devel­oping coun­tries like … Continue reading

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Experiments That Actually Work: Latent heat of fusion

There used to be a sign outside my physics classroom: If it’s green and wriggles, it’s biology. If it’s green and bubbles, it’s chem­istry. If it’s green and doesn’t work, it’s physics. This is unfor­tu­nately very true. Many classroom exper­i­ments end … Continue reading

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The best thing about teaching optics…

… is the way the room looks with a dozen rayboxes in use.

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Operation Paul Bunyan

Update: Video from the talk (also includes final thanks). This is the slide deck from my talk at Ignite London. My inform­a­tion came from a number of sources: Imjim Scout and VFW Post 7591 were very useful and the paper on … Continue reading

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Following instructions

One of the key skills that a sci­entist needs is the ability to write accurate, unam­biguous instruc­tions. I gave one of my classes an exercise to improve their instruc­tion writing skills. Each person got a card with a symbol on … Continue reading

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