Vērtējums:
Publicēts: 01.12.1996.
Valoda: Angļu
Līmenis: Vidusskolas
Literatūras saraksts: Nav
Atsauces: Nav
  • Eseja 'Fire Retardant Fabrics', 1.
  • Eseja 'Fire Retardant Fabrics', 2.
Darba fragmentsAizvērt

Purpose: To find which fabric is most flammable. (Which fabric will catch fire fastest)
Materials:
Lighter
safety goggles
Stop Watch
5cm x 5cm piece of Denim
5cm x 5cm piece of Nylon
5cm x 5cm piece of Polyester
5cm x 5cm piece of Cotton
5cm x 5cm piece of Rayon
5cm x 5cm piece of Acrylic
Procedure:
1) Place a piece fabric under flame. Make sure that each time you do this, the flame is placed at an equal distance from the fabric.
2) As soon as fabric is exposed to flame, begin timing with the stop watch
3) Stop timing when fabric ignites.
4) Put out the fire. Try not to destroy the…

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