Forensics- Ch. 4 Fiber Evidence well answered.

Forensics- Ch. 4 Fiber Evidence well -answer Because fibers are mass produced, they are considered this type of evidence direct -answer Transfer of fibers directly from suspect to victim or victim to suspect 24 -answer Most fiber evidence falls off within this many hours of a crime color -answer Scientists look at this first to try to match a fiber to a location polarizing -answer Type of light microscope that allows scientists to use wavelengths of light to observe optical properties of fibers infrared -answer Type of spectroscopy that allows scientists to visualize chemical structure of fibers staining -answer A destructive test that allows scientists to compare absorption of different liquids into fabrics density -answer A quick test used to classify fabric origins burn -answer This type of test is used to compare melting points, odors, and ash formation of fiber samples chromatography -answer A test used to analyze the components of dyes in a fabric fiber -answer The smallest indivisible unit of a textile; made up of many filaments twisted or bonded together yarn -answer Term for fibers that have been spun together textile -answer Result of weaving yarns together warp -answer The tight lengthwise yarn in a weave pattern weft -answer The crosswise yarn in a weave pattern twill -answer A diagonal weave pattern; resembles stair steps plain -answer The simplest and most common weave pattern; looks like a checkerboard satin -answer Weave pattern in which the Interlacing may not be uniform; results in shiny materials with little friction with other garments wrinkle -answer Plain weave patterns are snag resistant but tend to do this thread count -answer The number of threads that are packed together for any given amount of fabric natural -answer Term for fibers that come from animals, plants, and mined minerals synthetic -answer Term for man-made fibers produced from a raw material that is spun together in a factory