What are all those little black things with my cheek cells asked a student, looking down the microscope at his freshly prepared cheek cell slide. These are bacteria. He went and brushed his teeth immediately and prepared a new slide.
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Chemistry visualising problems
Stereochemistry is very difficult to visualise, even sometimes when playing with models. Even looking at this, some students couldn't...
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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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