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This procedure allows for the experimental determination of the speed of EM radiation by studying standing wave patterns on marshmallows inside a microwave oven.
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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
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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. 
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Demonstration showing how to use a microwave and marshmallows to calculate the speed of light.
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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
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Extracted and refreshed from section 12 of Handbook, includes a range of traditional dynamics investigations, with instructions and explanations.
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Explains what is meant by environmental monitoring, and the range of equipment available. Describes in detail each of the parameters which can be monitored including possible difficulties. Also descri.. more
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This edition includes the directors message and notes on new CLEAPSS buying guides, some new CLEAPSS videos on YouTube, UV light sources, mercury, organic chemical waste, teaching about radioactivity .. more
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Instructions on how to make an amplified microphone
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Using a ripple tank, students can witness wave phenomena such as reflection, refraction, diffraction, and interference. This guide shows how to set up a ripple tank to demonstrate these phenomena. The.. more
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Showing results 1 to 10 of 379
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