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How do conduction, convection and radiation affect the amount of heat lost from hot water?
Member rating: No Rating | Words: | Submitted: Wed Aug 27 2003
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SC1 INVESTIGATION: MUM'S MUG OF TEA HOW DO CONDUCTION, CONVECTION AND RADIATION AFFECT THE AMOUNT OF HEAT LOST FROM HOT WATER? Plan Variables: * Temperature of water * Amount of water * Size of beaker * Type of insulation I have chosen to investigate how the type of insulation affects the heat lost through conduction, convection and radiation. Preliminary Originally I was going to use the following method: 1. Collect apparatus 2. Set up beakers of boiled water, 1 covered with silver foil, 1 insulated with a nappy, 1 with a lid on, and 1 as a control. 3. When the temperatures all reach 86°C start recording the temperatures every 2 minutes for 20 minutes 4. Record results. There were several problems with this method when I tried it in my preliminary work. Firstly, it took a long time for all of the temperatures to reach 86°C. By the time they had, it wasted time that could have been used for recording...
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