Hair Analysis Review & Reinforcement
Authored by Maria Amutan
Science
8th Grade
NGSS covered
Used 4+ times
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About
This quiz focuses on forensic hair analysis within the broader context of forensic science education, targeting middle school students at the 8th grade level. The content covers essential anatomical knowledge of hair structure, including the three main components of the hair shaft (cuticle, cortex, and medulla) and their specific functions. Students must demonstrate understanding of both macroscopic and microscopic properties used in hair examination, apply mathematical concepts to calculate growth rates and medullary indices, and interpret visual evidence to identify medulla patterns. The quiz requires students to distinguish between human and animal hair samples using quantitative analysis, understand the forensic significance of DNA evidence in hair follicles, and recognize the investigative importance of different hair characteristics. Students need foundational knowledge of protein structure (specifically keratin), measurement skills using metric units and scientific notation, and the ability to perform ratio calculations while interpreting microscopic imagery. Created by Maria Amutan, a Science teacher in US who teaches grade 8. This comprehensive assessment serves multiple instructional purposes, functioning effectively as a unit review following laboratory work with hair samples, a formative assessment to gauge student understanding before moving to advanced forensic topics, or homework reinforcement after hands-on microscopy activities. The quiz structure makes it ideal for warm-up activities that activate prior knowledge about biological structures, practice sessions where students apply mathematical formulas to forensic calculations, or review materials before summative assessments on forensic evidence analysis. This assessment aligns with NGSS standards 5-LS1-1 for understanding organism structures and MS-ETS1-3 for analyzing data from tests, while supporting Common Core mathematics standards 8.EE.A.4 for scientific notation and 7.RP.A.2 for proportional relationships in calculating medullary indices and growth rates.
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the 3 parts of the hair shaft?
Follicle, Medulla, Keratin
Cuticle, Color, Curl
Cortex, Cuticle, Medulla
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An investigator is excited to find a hair with the follicle attached when searching for evidence at a crime scene. Why might the investigator be excited?
It cannot be used as individual evidence.
The color is nice.
The follicle contains DNA that can be tested.
Tags
NGSS.MS-LS3-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What protein gives hair it's strength?
amino acids
keratin
cortex
Tags
NGSS.MS-LS3-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the cuticle of the hair shaft?
Protects the other layers of hair and provides strength.
Gives hair its' color and structure.
Provides characteristics unique to the hair.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the medulla of the hair shaft?
Protects the other layers of hair and provides strength.
Gives hair its' color and structure.
Provides characteristics unique to the hair.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the cortex of the hair shaft?
Protects the other layers of hair and provides strength.
Gives hair its' color and structure.
Provides characteristics unique to the hair.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of these are examples of microscopic properties of hair EXCEPT:
cuticle structures
length
medulla pattern
specific color of hair
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