footprints: answers

52: outdoor makeover

suggested answers

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4) downdown Electrocution normally makes you hotter.
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6) downdown That’s how to cause heat loss through conduction, not prevent it.
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13) downdown It’s the opposite. You should not wear cotton when it’s cold & wet.
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18) upup But is Gore-tex over-rated???????

additional activities

  1. This topic loans itself to a research project, examining the properties of different types of natural & man-made fabrics, using gearshop brochures, net searches, etc. For example, students could research the development & applications of Gore-tex, how it works & products that lay similar claims. Consult a science teacher for simple experiments measuring the insulation properties of various fabrics (e.g. wet & dry cotton).
  2. Students could also research the evolution of outdoor clothing, perhaps by comparing what high altitude climbers wore during the first attempts on Mt Everest & what they wear these days, looking at footwear, underwear, wet weather gear, etc. Students could present their findings in the form of a fashion parade, or even undertake an overnight trip wearing ‘50s gear!

 

 

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