Author Archives: e=mc2andallthat

About e=mc2andallthat

Physics teacher of over 20 years experience who still enjoys teaching (well, most of the time anyway). He lives in London with his lovely wife and insane cat. Please follow him on Twitter @emc2andallthat

The Acceleration Required Practical Without Light Gates (and without tears)

Originally posted on e=mc2andallthat:
Introduction The AQA GCSE Required Practical on Acceleration (see pp. 21-22 and pp. 55-57) has proved to be problematic for many teachers, especially those who do not have access to a working set of…

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Thermal Energy and Internal Energy

Originally posted on e=mc2andallthat:
The AQA GCSE Science specification calls for students to understand and apply the concepts of not only thermal energy stores but also internal energy. What follows is my understanding of the distinction between the…

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Why does kinetic energy = 1/2mv^2?

Originally posted on e=mc2andallthat:
Why does kinetic energy Ek=½mv2? Students and non-specialist teachers alike wonder: whence the half? This post is intended to be a diagrammatic answer to this question using a Singapore Bar Model approach: so pedants, please…

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Dual-coding SUVAT Problems

Originally posted on e=mc2andallthat:
The theory of dual coding holds that the formation of mental images, in tandem with verbal processing, is often very helpful for learners. In other words, if we support verbal reasoning with visual representations,…

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Kinetic Energy Using The Singapore Bar Model

Originally posted on e=mc2andallthat:
I think the Singapore Bar Model is a neat bit of pedagogy that has great potential in Science education. Essentially, the Singapore Bar Model uses pictorial representations (often in the form of a bar…

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IoP Energy for busy teachers

Originally posted on e=mc2andallthat:
The first rule of IoP Energy Club is: you do not talk about energy . . .      . . . unless you’re gonna do a calculation. — with apologies to Brad Pitt…

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The Life and Death of Stars

Originally posted on e=mc2andallthat:
Stars, so far as we understand them today, are not “alive”. Now and again we saw a binary and a third star approach one another so closely that one or other of the group…

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