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PP159 - Using a smoke cell to observe Brownian motion
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A simple guide on how to use a ‘Top cover’ model smoke cell to demonstrate Brownian motion.
words matched: particle, theory
Members only resource
PP141 - The thiosulfate-acid reaction: rate and temperature
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Various monitoring techniques can be used to investigate how different factors affect the rates of reactions. The thiosulfate-acid ‘disappearing cross’ activity is an example of a clock reaction with .. more
words matched: particle, theory
Members only resource
GL186 - DIY cloud chambers (dry ice and electronic)
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Clear instructions for building two versions of a cloud chamber. One uses dry ice as the cooling agent, the other uses an inexpensive electronic coolers which is quite simple to make.
words matched: particle, theory
Members only resource
GL172 – Make your own spark counter.
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The spark counter is a piece of equipment highly recommended in practical demonstrations of radioactivity. It is a device designed for detecting alpha radiation and for demonstrating its ionising char.. more
words matched: particle, theory
Members only resource
R035 - pH measurement
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Contains a wealth of information on the various ways of measuring pH, and the advantage and disadvantage os each. Includes all sorts of background theory which will help the reader make the most appro.. more
words matched: particle, theory
Members only resource
PP146 - The photoelectric effect
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A procedure to demonstrate the photoelectric effect using either a commercial or homemade gold leaf electroscope.
words matched: particle, theory
Members only resource
PP041 - The thiosulfate-acid reaction: rate and concentration
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Small scale 'disappearing cross' methods for investigating the effect of concentration on the rate of the sodium thiosulfate - acid reaction. Includes use of an alkaline 'stop-bath' to neutralise used.. more
words matched: particle, theory
Members only resource
GL190 - Using electrostatic generators - making sparks
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Straight forward advice on the safe use of the Van de Graaff generator and Wimshurst machines, with some suggestions on suitable practical activities.
words matched: particle, theory
Members only resource
Bulletin 172 - Autumn 2021
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In this terms issue :-From the director: Editorial COVID-19 UpdateCLEAPSS DocumentsUpdate to GL118, Making a GM counter unitCLEAPSS membership renewalsIdeas for knitted modelsAlgal ballsThe CLEAPSS RP.. more
words matched: particle, theory
Members only resource
Handbook - Section 17 - Fieldwork
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Gives guidance on general fieldwork including specific measurements and techniques. Detailed guidance is included on measuring substances in the soil, water and air, and electronic measurements such a.. more
words matched: particle, theory
Showing results 1 to 10 of 155
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