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How do Colours and Radiation Affect theRate of Cooling of Tap Water?
Member rating: No Rating | Words: | Submitted: Thu Aug 19 2004
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How do Colours and Radiation Affect the Rate of Cooling of Tap Water? Aim: To investigate radiation and the rate at which it cools ordinary tap water according to the colour of insulation. Apparatus needed: * Several Standard 250ml glass beakers (to be replaced after each test) * A kettle (to heat the water) * A square of bubble-wrap (to sit under the beaker to insulate it from the floor) * A Thermometer * A stopwatch * Safety Goggles (due to handling very hot water) * The materials I will use to encourage radiation are: Silver Foil Black Paper White Paper Method: 1/ After setting the equipment up, as shown. Apply safety goggles and use the kettle to boil water 2/ Pour 250ml of boiled water carefully into the beaker. 3/ Once the temperature of the solution has reduced to 80?c, begin timing. 4/ At each minute record the new temperature of the water in ?c. 5/ Record each minute for 10 minutes. Repeat...
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