This is a phonograph strip. When you press your thumbnail to the ridges and pull, the thumbnail vibrates, and you can hear the message that was recorded on the strip.
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A level Math
Students working out just what formulae are and are not in the exam sheet. Then, the panic can begin to memorise the formulae that are not...
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Negative feedback is a difficult concept to try and get over so I tried using a balance board and the @pascoscientific smart cart strapped... -
Getting a classic set of results for the titration of NaOH and HCl is not that difficult but it is nice when we can get students to this ... -
Mechanics: the grand meeting of Maths & Physics! Using strobe light & a ball drop for gravity-acceleration calculations and SUVAT fo...
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