Air and cold protection

Properties of polyurethane fibres Uses
Stretchy - Swimsuits
- Leotards
- Underwear
Thermal protection
- Gloves and mittens

Experiment: 

Grab ice cubes with:
- your bare hands
- woollen mittens
- kitchen gloves
- snow gloves

Leading questions:
- How long can you stand the cold in each case?
- Do your hands get wet?
- Can you explain what's happening?
- Can you set-up other easy experiments that show air and cold protection in action?
- Can you find applications of this property in your house or city?


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Key documents

Guidelines