Chapter 4 fiber analysis

Fibers that have spun together are called

• a textile

• yarn

• a mineral fiber

• a fiber

A forensic scientist will ask questions about:

• type of fiber

• fiber color

• number of fibers found

• All of these choices

Fiber evidence is gathered with

• special vaccums

• sticky tape

• tweezers

• All of these choices

Two methods that can analyze fibers without damaging them are

• polarizing light microscopy and infrared spectroscopy

• polarizing light spectroscopy and infrared microscopy

• heat and light

• None of these choices

Fibers can be classified as either

• natural fibers or synthetic fibers

• polymers or synthetic fibers

• acrylic fibers or plant fibers

• olefins or synthetic fibers

Tags

NGSS.MS-PS1-3

Natural fibers come from

• animals

• plants

• minerals that are mined from the ground

• All of these choices

The smallest indivisible unit of a textile is a...

• Fiber

• Fabric

• Yarn

• Thread

This weave pattern results in shiny fabric with little friction...

• Twill

• Plain

• Satin

• Basket

Many fibers woven together create

• Megafibers

• Textiles

• Super Evidence

• Nothing

Identify the weave pattern:

• leno

• basket

• satin

• plain