Natural and Synthetic Fiber

Grant, Erskine                   Washington High School
5050 S Lake Shore Drive          646-4860
Chicago, Illinois 60615
947-0225

Objectives:

To identify wool, cotton, linen, and silk with the aid of a 
microscope.  To identity several natural and synthetic materials 
placed on a table. 

Apparatus needed:

microscope, table, cotton fiber, linen fiber, silk fiber, wool fiber, 
leather belt, styrofoam cup, polyester bottle, rayon blouse, vinyl 
clothes bag, wood plank, nylon stockings, polyester and cotton shirt. 

Recommended strategy:

The students were given a list of vocabulary terms to define prior to 
this assignment.  Arrange the terms written on the board in two 
categories.  "Natural and Synthetic Fibers."  Student will be given a 
description of the four natural fibers placed under the microscopes as 
well as the natural and synthetic fibers placed on a table.  Identify 
the types of fibers placed on the slides under the four microscopes as 
well as the items placed on the table.