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Essential Questions Content Standards Skills Assessments & Activities UNIT 1 – EVIDENCE COLLECTION - 2 Weeks * Why is observation crucial to scientists and forensic investigators? * What is the role of eyewitness testimony in the court system? * What is forensic science and what do forensic scientists do? * What are important considerations when collecting evidence? * What do crime scene investigators look for at a crime scene? * How is evidence recovered from a crime scene? * What are safety issues that exist in a forensic laboratory and how do investigators protect themselves? * Eyewitness Testimony * Qualitative & Quantitative Observation * Chain of Custody * Locard's Principle * Crime Scene Documentation * Evidence Collection * Lab Safety Equipment and Procedures S1C1PO1 - Evaluate information for relevance to a given problem S1C1PO2 - Develop questions from observations S1C2PO2 - Identify resources needed to conduct a scientific inquiry S1C2PO5 - Record observations, notes, sketches, questions, and ideas using tools such as journals, charts, graphs, and computers S1C1PO3/PO4 Communicate results clearly and logically S1C2PO2 – Recognize importance of basing arguments on scientific principles * Describe the value of eyewitness testimony and its limitations * Differentiate between qualitative and quantitative observation * Log and track evidence to maintain chain of custody * Define Locard's Principle and provide examples * Correctly document a crime scene, including sketches and photographs * Demonstrate proper procedures for crime scene evidence collection * Demonstrate safe behavior during lab work Eyewitness Testimony TV Commercial Activity, FACES Software Activity, Chain of Custody Activity, Crime Scene Sketches, Evidence Collection & Labeling Activity, Safety Exam Essential Questions Content Standards Skills Assessments & Activities UNIT 2 – HAIR & FIBER ANALYSIS - 2 Weeks * What are the various parts of a hair? * How does animal hair differ from human hair? * What information can be gathered from hair? * How can various textiles be distinguished from each other? * How are fibers used as evidence in a criminal investigation? * Characteristics of Human vs. Animal Hair * Forensic Analysis of Hair * Physical and Chemical Properties of Textiles S5C1PO1/PO2 – Describe substances based on their physical and chemical properties * Describe structure of hair * Distinguish between human and animal hair * Calculate medullary index for hair * Describe characteristics that can be identified from a hair * Identify textile type using weave patterns * Compare and contrast types of fibers through physical and chemical properties UNIT 3 – FINGERPRINTS - 2-3 Weeks * How unique are fingerprints? * What characteristics can be found in fingerprints? * How are fingerprints discovered, collected and analyzed at a crime scene? * What is a DNA fingerprint? * How is DNA used to identify individuals in a criminal investigation? * What are concerns or challenges with the use of DNA evidence? * History of Fingerprints * Characteristics and Types of Fingerprints * Latent Print Collection * Structure of DNA * Collection of DNA Evidence * Analysis & Matching of DNA Evidence S5C1PO1/PO2 – Describe substances based on their physical and chemical properties S2C1PO3 – Describe how specific scientific advancements have affected society S4C2PO3 – Explain how genotypic variation occurs and results in phenotypic diversity * Describe the history of fingerprints * Describe the characteristics and types of fingerprints * Determine if a fingerprint can be matched to a specific individual * Collect latent fingerprints * Describe the structure of DNA * Describe how DNA is processed for analysis Structure of Hair Lab, Human vs. Animal Lab, Hair Testimony Essay, Carpet Fiber Lab, Physical and Chemical Properties of Hair Lab Describe Your Fingerprint, Latent Fingerprint Collection Lab, Ten Card Activity, Fingerprint Matching Lab, DNA Electrophoresis Gel Lab, Restriction Enzyme Activity, Missing Romanov Activity, Applications of DNA Analysis Activity Essential Questions Content Standards Skills Assessments & Activities UNIT 4 – BLOOD, BLOOD SPATTER & BALLISTICS – 2 Weeks * How is blood type determined? * How is blood type used in crime scene investigation? * What information can be determined from blood spatter? * Composition of Blood and Blood Cell Function * Blood Types * Blood Stain Detection * Blood Spatter Analysis * Characteristics of Projectile Weapons * Barrel Rifling and Bullet Matching * Bullet Recovery S5C1PO1/PO2 – Describe substances based on their physical and chemical properties S4C4PO5 – Describe organization in cells & tissues S5C2PO7 – Show vertical & horizontal components of projectile motion * Describe important components of blood cells * Identify blood type using antigens * Describe various methods of blood detection and their limitations * Use blood spatter analysis to recreate events * Use rifling characteristics to match exemplar bullets to bullet evidence * Determine shooter position using bullet trajectories UNIT 5 – TOXICOLOGY & DRUG IDENTIFICATION – 1 WEEK * How does law enforcement determine what drugs a person has ingested? * How does law enforcement identify drugs at a crime scene? * What symptoms are indicative of drug overdose? * Five types of controlled substances * Signs and symptoms of ingestion/overdose of various drugs * Drug identification S5C1PO1/PO2 – Describe substances based on their physical and chemical properties S5C4PO2 – Identify indicators of chemical change S5C4PO9 – Predict products of a chemical reaction * Distinguish between five types of controlled substances * Identify type of drug by symptom of ingestion/overdose * Identify drugs through chemical testing Blood Typing Lab, Blood Detection Lab, Blood Spatter Analysis Activity, Firing Pin Match Lab, Bullet Trajectory Lab OTC Drug Analysis Lab, Urinalysis Simulation, Essential Questions Content Standards Skills Assessments & Activities UNIT 6 – HANDWRITING ANALYSIS, COUNTERFEITING & FORGERY – 1 Week * What Are characteristics of handwriting which can be identified in a sample? * How are questioned documents analyzed to determine their authenticity? * What features in currency help prevent counterfeiting? * Handwriting Analysis * Questioned Documents Analysis * Currency Anticounterfeiting Features S5C1PO1/PO2 – Describe substances based on their physical and chemical properties S5C1PO4 – Separate substances based on their physical properties * Identify examples of 12 handwriting characteristics in a document and create a graphology profile * Separate various inks and match to exemplars * Identify features in US currency Handwriting Analysis, Chromatography Lab, Ransom Note Lab, US Currency Lab UNIT 7 – DEATH, FORENSIC ENTOMOLOGY & FORENSIC ANTHROPOLOGY – 3 Weeks * What are the four manners of death? * How is time of death determined? * How do environmental conditions affect decomposition? * What information can be gained from skeletal remains? * Manners of Death * Changes in Body Composition & Temperature * Insect Colonization and Development * Human Characteristics from Skeletons S5C1PO1/PO2 – Describe substances based on their physical and chemical properties S4C4PO5 – Describe organization in cells & tissues S4C3PO2 – Describe how organisms are affected by environmental factors * Describe changes in body composition after death * Demonstrate how to use body temperature to determine TOD * Describe how insect activity is used to determine TOD * Describe general characteristics of bones * Describe characteristics of a person from analyzing bones TOD Using Rigor Mortis Activity, Insect Study, TOD Insect Analysis Lab, Age of Skull Activity, Male Vs. Female Bones Activity, Missing Romanovs Activity, Medical Examiner Activity Essential Questions Content Standards Skills Assessments & Activities * Differentiate between different types of soil * Differentiate between different types of sand * Prepare a soil analysis profile * Differentiate between different types of glass * Calculate refractive index of glass * Calculate density of glass * Analyze fracture patterns in broken glass Soil Profile, Chemical & Physical Analysis of Sand, Glass Fracture Pattern Activity, Glass Density Lab, Refractive Index Activity, Submersion Test Lab UNIT 8 – SOIL & GLASS – 2 WEEKS * What are various types of soil? * How are soil samples from crime scenes analyzed? * What information can be determined from soil samples? * How is glass made? * How can a piece of glass be matched to a crime scene? * Soil Composition & Chemistry * Soil Collection & Analysis * Types and Properties of Glass * Refractive Index of Glass * Fracture Patterns S5C1PO1/PO2 – Describe substances based on their physical and chemical properties UNIT 9 – COURTROOM TESTIMONY – 2-3 Weeks * How do forensic investigators prepare for courtroom testimony? * Preparation of Reports * Courtroom Dress and Demeanor * Testimony and CrossExamination S1C3PO2 – Evaluate whether investigational data supports a hypothesis S1C3PO4 – Evaluate procedural design for sources of error S1C4PO3/4 – Clearly communicate results using logical arguments based in scientific principles * Evaluate written reports to determine if data supports claims * Participate in mock trial as expert witness Crime Scene Analysis Final Project, Mock Trial
