

Forensic Science - Fabrics
Presentation
•
Science
•
11th Grade
•
Hard
Standards-aligned
Pramila Natarajan
Used 2+ times
FREE Resource
33 Slides • 20 Questions
1
2
Multiple Choice
Why is it important to identify and describe weave patterns of textile samples in forensic science?
To determine the origin of the textile in criminal investigations
To improve the quality of textile manufacturing
To enhance the color of fabrics
To increase the cost of textile production
3
4
5
6
Multiple Choice
Why is the collection of fibers within 24 hours critical in a forensic investigation?
Because fibers degrade quickly after 24 hours
Because fibers become invisible after 24 hours
Because fibers are only present for a few minutes
Because fibers are not important evidence
7
8
Multiple Choice
Which of the following can fiber evaluation reveal during a forensic investigation?
Type of fiber
Color
Possibility of violence
All of the above
9
10
11
Fill in the Blanks
Weaving spun fibers together produces
12
13
Multiple Select
Which of the following are common methods used to analyze fibers in forensic science?
Microscopy
Infrared spectroscopy
DNA sequencing
Chemical structure analysis
14
15
16
Multiple Choice
Which fiber produces a small amount of light ash residue when burned, according to the Fiber Burn Analysis Key?
Rayon
Cotton
Wool
Silk
17
18
19
Multiple Choice
Which of the following fibers can be identified by the presence of diagonal lines that intersect under a microscope?
Wool
Cotton
Acrylic
Hemp
20
21
Fill in the Blanks
Fill in the blank: Crimes can be solved by comparing fibers found on different suspects with those found at the
22
23
Multiple Select
Select all the animals from the images that are sources of natural fibers used in textiles.
Sheep
Camel
Rabbit
Llama
24
25
26
Multiple Choice
Which animal fibers are commonly used in textiles?
Wool from sheep, Cashmere and mohair from goats, Angora from rabbits, Hair from alpacas, llamas, and camels
Cotton from plants, Silk from silkworms, Nylon from chemicals
Polyester from petroleum, Rayon from wood pulp, Linen from flax
Leather from cows, Fur from foxes, Feathers from birds
27
28
Fill in the Blanks
Silk is obtained from the cocoons of the
29
30
Multiple Choice
What makes silk from caterpillar cocoons different from other animal fibers?
It is longer and not as easily shed
It is more brittle over time
It is dissolved by strong acids
It absorbs water easily
31
32
Multiple Select
Which of the following are properties of plant fibers?
Can absorb water
Are insoluble in water
Are resistant to damage from harsh chemicals
Can be dissolved by strong acids
33
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35
36
Multiple Choice
37
Multiple Choice
Which of the following plant fibers is most commonly used in textiles?
Cotton
Coir
Hemp
Manila
38
39
Multiple Select
Which of the following are mineral fibers?
Fiberglass
Asbestos
Rayon
Cotton
40
41
42
43
Fill in the Blanks
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45
46
47
48
49
50
Multiple Choice
_______ is an example of a synthetic fabric.
Wool
Silk
Cotton
Nylon
51
Match
Match the following
Natural Materials
Synthetic Materials
Materials that are only found in nature.
Materials that are created by humans.
Natural Material Image
Synthetic Material Image
Materials that are only found in nature.
Materials that are created by humans.
Natural Material Image
Synthetic Material Image
52
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