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# Show how the temperature loss between an adult, a toddler and a baby compare

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Introduction

Biology coursework This experiment is set to show how the temperature loss between an adult, year 7 a toddler and a baby compare, we will use beakers of various sizes to represent the above. Apparatus: 1-100ml beaker 1-250ml beaker 1-400ml beaker 1-1000ml beaker Kettle Thermometer Stop clock Method To carry out this test we will first boil the kettle and fill the 100ml beaker 3/4 full, we will then wait till the water reaches 80?degrees before starting the stop clock, after which the temperature will be taken at 2 minute intervals for 10 minutes. This procedure will be carried out for each beaker recording our results in a results table. To keep this test fair we will use the same proportions of water in each beaker (3/4 of beaker full) ...read more.

Middle

Results Test #1 Time in mins Temp:100ml Temp:250ml Temp:400ml Temp:1000ml 0 80 80 80 80 2 74 76 76 77 4 69 70 72 74 6 65 66 69 72 8 62 64 66 70 10 58 61 63 68 Test #2 Time in mins Temp:100ml Temp:250ml Temp:400ml Temp:1000ml 0 80 80 80 80 2 74 75 76 77 4 69 71 72 75 6 65 67 69 72 8 62 63 66 70 10 58 61 63 68 Average temperature Time in mins Temp:100ml Temp:250ml Temp:400ml Temp:1000ml 0 80 80 80 80 2 74 75.5 76 77 4 69 70.5 72 74.5 6 65 66.5 69 72 8 62 63.5 66 70 10 58 60.5 63 68 ?Conclusion In conclusion to the experiment we found that the smallest beaker cooled quicker than the smallest beaker cooled the quickest. ...read more.

Conclusion

In my original prediction i said how i thought the beaker with the smallest volume would cool quickest and I am pleased to say from looking at my graph it seems to be right. Evaluation Due to the time limitation we were unable to complete all 3 re-tests which may or may not of effected our results, if time permitted us to we would further this test carrying out the re-tests planned. Also if i was to repeat this test i would use a wider range of beakers to get a more accurate view of the rate of heat loss between sizes. Also due to the lack of computer equipment the tests have to be carried out by us ourselves this means that there is a certain amount of inaccuracy either through inaccurate reading of the thermometer or through human error with stop clocks. ?? ?? ?? ?? Ashley Warbrick 11-02 Biology coursework ...read more.

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