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Showing results 1 to 10 of 108
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Members only resource
GL174 - Make-it guide - a simple colorimeter
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Instructions to make a novel and inexpensive general colorimeter using LEDs. We would welcome feedback from users.
words matched: leds
Members only resource
GL192 - A technical guide to setting up and using the CLEAPSS colorimeter
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This document contains:An outline of colorimetryThe principles of the CLEAPSS colorimeterUsing a CLEAPSS colorimeter which has been set upSetting up the CLEAPSS colorimeterproducing a calibration curv.. more
words matched: leds
Members only resource
PS052 - Lasers, laser devices and LEDs.
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Explains laser classification and hazards. Describes the  lasers that are permitted in school science and the range of relevant practical work. Also desribes common devices which use lasers and how th.. more
words matched: leds
Members only resource
GL158 - Building an LED array for determining Planck’s constant
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This doocument provides step by step guidance to build physics apparatus to determine Planck's constant. The result is similar to equipment available from Phillip Harris (order number: B8H29024) whi.. more
words matched: leds
Members only resource
TL006 - Making esters
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Many esters have distinctive odours, which has led to their use as artificial flavourings, perfumes and fragrances. Many occur naturally but some are now manufactured industrially. The methods outlin.. more
words matched: leds
Free resource
Setting up a DIY colorimeter
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Make you own colorimeter, using some Lego and LED's.
words matched: leds
Members only resource
GL028 - Conduction through hot glass
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You can demonstrate that hot glass is an electrical conductor (hot glass is actually an example of a solid electrolyte). This is counterintuitive because at room temperature, glass is a good electrica.. more
words matched: leds
Members only resource
GL226 - Make-it guide – Arduino-controlled light gate
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Instructions on how to make a low cost Arduino-controlled light gate.  See accompanying zip file GL226a for the Arduino code. 
words matched: leds
Members only resource
GL166 - Make-it guide - a conductivity indicator
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Instructions on how to make a conductivity indicator for chemical solutions and materials.
words matched: leds
Members only resource
PP017 - Investigating the breakdown of beetroot membranes
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To help students understand how cell membrane integrity is affected by the environment surrounding the cell. Beetroot membranes are a good model for investigating this because the pigments that diffus.. more
words matched: leds
Showing results 1 to 10 of 108
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