Search Header Logo
Hair as Evidence Notes

Hair as Evidence Notes

Assessment

Presentation

•

Science

•

11th - 12th Grade

•

Medium

•
NGSS
MS-LS3-1, HS-LS3-2, MS-LS4-2

Standards-aligned

Created by

S Jones

Used 15+ times

FREE Resource

20 Slides • 22 Questions

1

Hair as Evidence

Forensic Science​

2

​WRITE DOWN ALL NOTES. YOU CANNOT PRINT THESE NOTES.

​Show your notes to me when you are finished so i can sign off on them.

3

media

4

media

5

media

6

media

7

Multiple Choice

How many approximate hair follicles on a human head are there?

1

100,000

2

1 million

3

60,000

4

1000

8

Multiple Choice

Humans lose approximately how many hair per day?

1

100

2

1000

3

50

4

5

9

media

10

media

11

Multiple Choice

Hair is what type of evidence?

1

Class

2

Individual

3

unknown

4

all of the above

12

Multiple Choice

DNA is never present on hair

1

False

2

True

13

media

14

media

15

Multiple Choice

Nuclear DNA can be identified from:

1

the hair root or follicle

2

the hair shaft

3

both the hair root and the hair shaft

4

neither the hair root and the hair shaft

16

media

17

media

18

media

19

Multiple Choice

The cuticle of the hair is best defined as:

1

outside covering, made of overlapping scales

2

inner layer made of keratin and embedded with pigment; also contains air sacs called cortical fusi

3

inside layer running down the center of the cortex

4

the root of the hair that contains DNA

20

media

21

Fill in the Blank

The ________ can be used to analyze the layer of the hair shaft.

22

media

23

Multiple Choice

Question image

What medullary pattern is represented in the diagram?

1

Fragmented

2

interupted

3

continuous

4

not visible

24

Multiple Choice

Generally, a human hair can be distinguished from an animal hair by examining:

1

the medulla

2

the texture

3

the cortex

4

the color

25

media

26

Multiple Choice

What are the three layers of hair?

1

Medulla, keratin, cortex

2

Cuticle, medulla, keratin

3

Keratin, cuticle, cortex

4

Medulla, Cortex, and Cuticle

27

Multiple Choice

Question image
Using the pencil analogy, which structure corresponds to the wood?
1
Follicle
2
Cortex
3
Cuticle
4
Medulla

28

Multiple Choice

Question image
Using the pencil analogy, which structure corresponds to the lead?
1
Follicle
2
Cortex
3
Cuticle
4
Medulla

29

Multiple Choice

Question image
Using the pencil analogy, which structure corresponds to the paint on the surface?
1
Follicle
2
Cortex
3
Cuticle
4
Medulla

30

media

31

media

32

media

33

Multiple Choice

We know hair is from a human if…
1
The medullary index is 0.5 or greater           
2
The medullary index is 0.33 or less
3
The cuticle is coronal
4
The medulla is fragmented

34

media

35

Multiple Choice

Human hair can be characterized by having a medulla that is:

1

less than 1/3 of the hair diameter

2

greater than 1/2 of the hair diameter

3

absent of a scale pattern

4

colorless

36

Multiple Choice

Hair is composed mostly of the protein
1
lignin
2
collagen
3
keratin
4
cellulose

37

Multiple Choice

In order for hair to be considered individual evidence it must contain
1
a complete medulla
2
cells in its cortex
3
nuclei in the cuticle
4
a follicle

38

Multiple Choice

When processing hair found at a crime scene, we must determine if the origin is:

1

human or animal

2

human or reptile

3

reptile or mammal

4

human or alien

39

Multiple Choice

Can we tell if a hair was forcibly removed?

1

Yes

2

no

40

Multiple Choice

Question image
Did this hair fall out naturally, or was it forcibly removed?
1
Fell out naturally
2
Was forcibly removed

41

Multiple Choice

The transfer of evidence such as a fiber from a source to a person, then to another person or object, is called
1
primary transfer
2
secondary transfer
3
tertiary transfer
4
direct transfer

42

Multiple Choice

The central core of the hair is called the...?
1
Medulla
2
Cuticle
3
Cortex
4
Shaft

Hair as Evidence

Forensic Science​

Show answer

Auto Play

Slide 1 / 42

SLIDE