Fibers

Natural fibers come entirely from

• plant sources

• animal sources

• both

• neither

This natural fiber has a ribbon-like shape with twists at regular intervals

• Polyester

• Cotton

• Nylon

• Cashmere

These fibers are made from cellulose (wood or cotton pulp) that is chemically refined.

• Regenerated

• Synthetic

• Natural

• All of the above

These fibers are completely manufactured and are made entirely from chemicals.

• Regenerated

• Syntheric

• Natural

• All of the above

Molecules made up of repeating smaller subunits are called ________ (HINT: NOT the name of the subunits themselves).

• Fibers

• Monomers

• Polymers

• Cotton Ribbons

The first regenerated fiber was...

• Cotton

• Rayon

• Linen

• Nylon

The first synthetic fiber was...

• Cotton

• Rayon

• Linen

• Nylon

Fibers can be fitted together at their torn edges

• True

• False

Chromatography compares colors and chemical composition through spectral patterns.

• True

• False

The refractive index of a fabric measures how much it...

• Stretches

• Absorbs light

• Weighs

• Bends light