Physical Materials Properties – workshop I
Phases
1. Dividing the students into groups
2. Activity introduction
3. Group work
4. Product presentation
Objective:
Identify different textile fibres based on their chemical reaction
Test duration:
4 h
Materials:
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CONCLUSIONS
It is possible to identify different kinds of fibres based on their reactions with heat, acids and other substances. Each reaction is based on the fibre chemical composition.
Czech republic
(Gymnázium, Česká 64 –České Budějovice)