In this experiment that I am carrying out, I am going to find out which material is best at insulating copper beakers. The materials that I am using are Cotton and Foil.

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Idea:

                In this experiment that I am carrying out, I am going to find out which material is best at insulating copper beakers. The materials that I am using are:

*Cotton

*Foil

*Bubble wrap

*One with no insulator

Each material will be wrapped carefully around the beakers. Boiling water from a kettle will be poured into each beaker with a mass of 100ml; each beaker will have its own thermometer to measure the temperature. The temperature will be measured at eye level, where the reading will be taken. This experiment will last for 10 minutes, where at each 1 minute interval temperatures will be measured. After the 10 minutes a table will be plotted onto a graph.

Apparatus:        

                         Iron beaker                                Thermometers                                                                                          

         

                      Bubble wrap                   Cotton

                        Newspaper                               Kettle

                  Foil

                                       

Results from the Heat Loss Experiment.

                      Temperature of beakers that are covered (▫C):

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Prediction:

        My predictions on the experiment is that the cotton insulator will keep the boiling water warmest the longest period. The reason I think this is because cotton is the thickest material from the other material and has a lot of air particles trapped within the cotton (since air is a good insulator.) This causes less conduction. Although foil radiates the heat, its shiny surface absorbs extra heat from the surroundings (endothermic). However I still believe that cotton would be ...

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