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Investigation to demonstrate how the surface area and volume affects the heat loss in animals.
The first 200 words of this essay...
Investigation to demonstrate how the surface area and volume affects the heat loss in animals
Aim: To investigate how surface area and volume of an animal affects the amount of heat lost.
Planning a simple procedure
One standard test tube, one boiling test tube, and one centrifuge test tube will be filled with water at 40°C. A thermometer will be placed in each tube to measure the decrease in temperature of the water. This will be timed for 300 seconds using a stopwatch. The temperature of the water will be recorded every 30 seconds.
A prior experiment similar to the one outlined above, was carried out to determine the sizes of the test tubes. The surface area and volume for each tube used were
* Standard Test tube Surface area = 2.69 cm2
Volume = 18 cm3
* Boiling Test tube Surface area = 5.73 cm2
Volume = 44.66 cm3
* Centrifuge Test tube Surface area = 2.26 cm2
Volume = 14.58 cm3
The surface areas to volume ratio are as follows:
* Standard test tube 1:6.69
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