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Sweating and heat loss

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  • Essay length: 2185 words
  • Submitted: 13/01/2005
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GCSE Green Plants as Organisms

The first 200 words of this essay...

Sweating and heat loss (Adhal Mahmood)

Aim

To find out whether heat is lost faster over a sweaty body compared to a dry body.

Apparatus

2 Boiling tubes 47ml max

2 Measuring jug 50ml max

A Beaker 250ml max

2 thermometers

Paper towels

A kettle to boil water

A stopwatch

2 magnifying glasses (8x)

2 corks with a small hole through the centre

A test tube rack

Preliminary work

In my preliminary work, I need to find out how much water to use, whether the tissue should be wet with hot/cold water, how often the readings should be taken, how accurate should the readings be, how many readings should be taken and what my starting temperature should be. My results are as follows.

Starting temperature of 40°c

Time (secs)

Wet towel (°c)

Dry towel (°c)

30

36

38.9

60

35

38.5

90

34

37.9

120

33.9

37.5

150

33

37

180

32.6

36.9

210

32.3

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