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level: insulation practical

Questions and Answers List

level questions: insulation practical

QuestionAnswer
what is the insulation method1. pour 80cm3 of hot water from the kettle to a beaker 2. place cardboard lid with thermometer inside to beaker so it’s bulb is in the hot water 3. record temp of water and start the stopwatch 4. record temp of water every 3 mins for 15 mins 5. repeat steps using different materials/more layers of material on the beaker 6. plot a graph of temp in degrees celsius against time taken in mins
what is the independent variable of this practicalthe insulating material/ the layers of material
what is the dependent variable of this practicalthe temperature decrease of water after a given time