Blood Spatter Lab Answers

What could be causing this? The cats health seems fine otherwise. It also provides a clear demonstration of the relationship between r2 values and the goodness of fit of various curves. These labs include hair analysis, blood typing, fingerprint analysis, blood spatter, DNA fingerprinting, footprint impression, and pathology. Procedure: 1. Blood at a crime scene can lead detectives to answers about an investigation. George Schiro is a DNA Technical Leader - Forensic Scientist. Spread newspaper on the floor of your work area 2. Area of Convergence Lab Act 8-5. Blood Splatter Analysis Lab Introduction One technique used by crime scene investigators is the analysis of stains left by blood shed at crime scenes. The blood-spatter patterns “tell a story” of the crime and help the investigators determine if eyewitness accounts are consistent with the evidence. im doing a blood spatter analysis lab. aerosols and splatter 100. Students must determine how the blood spatter found at the cabin scene was formed. Draw a line through the middle of the long axis of each of the major drops of blood. If a scientist understands the dynamics of how blood behaves when it exits the body and how it reacts when it. 3D Minimise contamination of materials, equipment and instruments by. 19 - Presumptive test for blood (Activity 8-1) (Lab using Kastle-Meyer test to detect presence of blood Feb. The splatter should always match the victim’s blood type. A blood spatter professional is the one who works with police on a crime scene to investigate the case and solve it by studying blood patterns on the site. Eddy and he explained that the question they were attempting to answer (the work is still on-going) pertains to what the events are leading up to the blood spatter and applying mathematical problems using inverse probabilities to predict future outcomes. completely. 3 Variables Practice pdf SkyWell Forms 4 Q Strategy Template Experimental Design. ronnie's dna matches the blood spatter on the birdbath. As the height the blood is being dropped increases, so does the diameter. A grouping of blood stains constitutes a blood spatter pattern. E work for a lab only. When laboratory results confirm the presence of blood, the FS/CSI may refer to that stain and associated stains with similar physical characteristics and scene context as being blood. These tests, along with other evidence or test results, will be used to solve a crime. How much should an analyst know? This is a classic question in forensic science: How much should the analyst know about the case in which he has been tasked to analyze and interpret physical evidence? Our collective quarter century of experience in the field leads us to this answer: As much as possible. Event attendees listened to talks about forensic dentistry and crime gun intelligence, toured DNA and cadaver labs, spoke with the Phoenix Police Department’s Special Assignments Unit, analyzed blood spatter patterns and more. Lab skiils and classroom topics resume Career Journals Pictures Class room activties 1. 1 Heart Rate Lab Report. Blood can be a very powerful form of evidence. In addition, my slip does not have the exposure panel for employees checked either. Lab# _____ Blood Spatter Lab Part I: Falling Blood Drops Objective: In Part I, you will examine the relationship between height and velocity as well as height and blood drop diameter. As the height the blood is being dropped increases, so does the diameter. 1 Heart Rate Lab Report. Insert pictures of the blood spatter at different heights in the box below. In this series of forensic science lesson, students test for the presence of catalase in given samples. You will need to inspect the photos and write the answers to the questions on your own paper. In Forensic Science, we present the philosophical, rational, and practical framework that supports a case investigation. This is an Interesting Crime where forensics won the day! You may use it to substitute for a low grade. 36 V 004 36 V 00488. What is the meaning of morning in nagrebcan. Crime scene blood spatter diameter In the picture it the blood from the crime scene. Answers will. A blood spatter professional is the one who works with police on a crime scene to investigate the case and solve it by studying blood patterns on the site. Blood Pattern Reconstruction Scene Pattern Reconstruction 1. The worksheet is an assortment of 4 intriguing pursuits that will enhance your kid's knowledge and abilities. One of the primary issues in the legal investigation of blood-splash designs is to figure out where blood scatter starts from. Examine the relationship between angle of impact and blood-spatter patterns. Unfortunately, current methods do not tell the whole story. Shape Vs Splatter Lab. Blood Spatter Impact Angle Lab Act 8-4. Okay so I was fascinated by this show "Dexter" in which the protagonist is a blood spatter analyst. SUPPLEMENTAL READING if you miss lecture. The in activity 1. Drip it from varying heights and angles to make it look different. 00 Off Be The First To Review Forensics Source Introductory Blood Spatter Kit + Free Shipping over $49. Anna's blood spatters found at the crime scene were from an angle of 90 degrees. 30pm Blood spatter – distance, angles, velocity Surface variation and distances exercise Prof. Instructions for alternative lab here. This resulted in 100% of the "real killers" DNA being lost. List the components of human blood. Dropped at the Scene: Blood spatter analysis Teacher Notes Teaching time: two class periods This lab introduces students to the science behind blood spatter analysis. Angle of impact 3. Your Account Isn't Verified! In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Blood is among the basic types of physical evidence often encountered at a crime scene. Forensic Pieces provides the forensic evaluation of evidence from criminal cases. This can be messy! Be very careful to keep the blood on the paper and not on yourself, the table, or floor. It does not include the lab sheets - you will need to print those out separately. B/R: Explain how healthy food calories are different from junk food calories. DNA? Why? 6. In the Murder at Old Fields Blood Spatter Lab, students measure blood drops for elongation and the length of its spines to help determine the height at which the blood was dropped from the surface and the direction in which the blood was traveling. Scenario: At dusk, a young man was seen riding his bicycle along the narrow, winding road that encircled a lake. Recently I have been finding a small amount of blood spatter in the sink in the mornings. Blood splatter, although it doesn't exist as an actual, stand-alone category. The research led them to develop a theoretical model for predicting and interpreting blood spatter patterns resulting from a gunshot wound. Video - “ Calculating Angle of Impact ” Complete the blood drops for each angle & then let them dry. 3 cm blood, on the bottom left the small one is. Lynn Garcia, the commission's general counsel, said that Patricia Almanza, a state crime lab technician who testified extensively about blood and trace evidence in the case, had repeatedly made assertions that went beyond her fields of expertise. Lab 1 Questions. Banana Lab questions, due monday DNA murder mystery packet mtDNA Article/activity Blood typing questions mother/baby blood Bloodstain mystery lab Blood Splatter LAB Missing Parents SUB WORK WEDNESDAY Blood Basics SUBWORK THURSDAY Blood Spatter SUBWORK FRIDAY Impressions Reading PT1 Impressions Reading PT2 Tire Track Mystery Lab Body Farm Video. While Kalia and Carolyn solved a birthday party crime, this science fair project will be a little more gruesome. To do this, students first learn about the techniques for blood spatter pattern analysis. Is there a relationship between the height from which the blood is dropped and the size of the blood-spatter droplets? Support your answer with data. Avery's blood was found in six places in the car (front driver’s side portion, floor by the console, right of the ignition area, front passenger seat, CD case on front passenger seat, and a metal panel between the backseat and cargo area). Shop online for a wide selection of Lyle and Louise: Patterns of Murder Blood Spatter Analysis Blood spatter analysis provides more clues to the mystery. Blood Spatter Impact Angle Lab Act 8-4. Reach out to a crime laboratory or crime scene investigation unit and arrange for a bloodstain pattern analyst to talk to participants. a clinical laboratory is a workplace where diagnostic or other screening procedures are performed on blood or other potentially infectious materials (OPIM), and a research laboratory is a laboratory producing or using research-laboratory-scale amounts of HIV or HBV. Inconsistencies in the spatter, such as an area in the wall that is void of blood suggesting the blood went onto the suspect instead on the wall. On Tuesday, blood-spatter expert Paul Kish told jurors, at times pointing to gruesome crime scene photographs, that the blood-spatter evidence does not fit with Vaughn's story. 8 Area of Convergence Lab BloodPatternAnalysisLabPart2. 1 Heart Rate Lab Report. Blood Spatter Lab Part 1: Height & Velocity of Blood Drop - In this lab we will use graphing techniques to analyze the effect of the blood drop height and velocity on the shape and diameter of the blood spatter. Procedure: Using a squeeze bottle, allow a single drop of blood to drop from five different heights: 5 cm, 25 cm, 50 cm, 75 cm, and 100 cm onto a sheet of paper. Blood Spatter Analysts examine and analyze blood that has been left behind at a crime scene. answer choices Which unit of a basic crime lab examines blood splatters?. A Matter of Spatter 6 The International Exhibition Post-Exhibit Science Lesson of Sherlock Holmes 2013 5 minutes Let students speculate before offering answers to any questions. By using blood spatter patterns investigators can reconstruct the events of a crime and link victims/suspects to crime scenes. What happens to blood from an open wound or when it is present in sufficient amount on a surface? What are the two things that will play the biggest role in pulling that blood drop away from the surface? Explain. blood-spatter-analyze-a-case2 for blood spatter photos on Oct 14. Select an object to push the blood or wipe it around as if cleaning it up. Blood Spatter Lab Part 1: Height & Velocity of Blood Drop - In this lab we will use graphing techniques to analyze the effect of the blood drop height and velocity on the shape and diameter of the blood spatter. Compare and contrast the outer edges of blood droplets produced from these two heights. To “answer this question,” Palmer wrote, the state turned to Lee’s blood-spatter expertise — and to his testimony about the smudge of blood on the towel. Go to the following URL: Blood Typing, and Blood Transfusions. 22 - Begin Blood Spatter Analysis (Activity 8-3) and Blood-Spatter Impact Angle (Activity 8-4) (Inquiry lab using trigonometry to determine height from which blood fell, and angle of impact) DRESS Feb. The diameter of the blood spatter ranges from 10 up to 15 mm. As far as I know there are no Blood Spatter experts that do only that and are not a consultant. 6 blood spatter 2. Izadi's SMSA Science. Advanced Blood Spatter Analysis Kit contents include Protractors, Rulers, Clipboards, Toothbrushes, Syringes, Graduated cylinder, Tongue depressors, Vernier calipers, Index cards, Pipets, String, Simulated transfer blood, and Simulated drip and projected blood. Support your answer with data. 03-24-16 Page 28 of 96 Controlled Substances: Many substances are analyzed by forensic scientists at the Crime Lab to determine the presence of controlled dangerous substances in plant materials, powders, liquids, capsules, and tablets. Blood spatters are when blood drops hit the surface at hand at a certain angle creating a splat in a certain shape. The Laboratory Activity Report—Blood paper. Conclusion Questions: 1. Blood spatter specialists are able to provide additional insight into crimes by studying how blood is arranged within crime scenes. Blood Typing Lab- Act 8-2. Lab - Blood Spatter File. That was true at the time of the trial, but he was not certified in 2007, when the analysis was done. Explain your answer. Identify the mechanisms by which blood spatter patterns are created. Procedure: Using a dropper, allow a single drop of blood to drop from five different heights: 5 cm, 25 cm, 50 cm, 75 cm, and 100 cm onto a sheet of paper. Crime Scene Investigation Lab. The phlebotomist placed the gauze pad on the arm board that she used after finishing the lab draw to apply pressure to stop the bleeding. Then measure that drop we made using millimeters. We will also investigate the effect of motion and the angle of impact on blood spatter. Hypothesis. Conclusion. 3 Blood and bullets in a lab (Courtesy: Data in Brief 22 269. Blood Basics Card w/ Blood Typing Lab - This two-sided handout replaces the worksheets for the first two presentations and blood typing lab. However, since the blood spatter from the experiment was much smaller, it shows that Anna is shorter than 5 feet or 152. Blood Spatter Video Blood Spatter Labs • You will be creating sample drop patterns using single drops and multiple drops. On Tuesday, blood-spatter expert Paul Kish told jurors, at times pointing to gruesome crime scene photographs, that the blood-spatter evidence does not fit with Vaughn's story. Shape Vs Splatter Lab. Students are will create their own simulated "blood" spatter samples, collect and share data, then come to conclusions about how different heights can result in dif. Go to the following URL: Blood Typing, and Blood Transfusions. Blood is dropped from heights of 20 cm and 200 cm. All or some of the projects listed were fully or partially funded through grants from the Bureau of Justice Assistance, the National Institute of Justice, the Office of Juvenile Justice and Delinquency. Shop online for a wide selection of Lyle and Louise: Patterns of Murder Blood Spatter Analysis Blood spatter analysis provides more clues to the mystery. Virtual Dissection. Post-exposure prophylaxis for HIV, HBV, and HCV,. Add it to your data table. 5 cm, in the middle drop of blood is 1. Spectrophotometry and the use of the microplate reader. Follow all instructions to complete the activity. Blood Spatter Lab Part 1: Height & Velocity of Blood Drop - In this lab we will use graphing techniques to analyze the effect of the blood drop height and velocity on the shape and diameter of the blood spatter. (A) demonstrate safe practices during laboratory and field investigations (F. Splatter blood for blood spatter analysis. 1 Heart Rate Lab Report. When laboratory results confirm the presence of blood, the FS/CSI may refer to that stain and associated stains with similar physical characteristics and scene context as being blood. Anthopometry lab (DOC 1. Forensic science, also known as criminalistics, is the application of science to criminal and civil laws, mainly—on the criminal side—during criminal investi. The angle of impact can be calculated from the measurement of the opposite side which is the width and the length is hypotenuse of the blood stain. I believe that I have accomplished this objective and become proficient in creating experimental lab write ups and recognizing variables. 6: Blood Spatter Analysis Lab Report 1. TRAINING LAB – BLOOD AS EVIDENCE – ANALYZING BLOOD SPATTER NAME_____ Background: You have learned how to analyze individual blood drops to determine the height a passive drop fell, the direction a moving drop was falling when it hit a surface, and the Impact Angle of a falling drop. Anna’s shoes. September 1, 2014 — 7. What is Blood Spatter Analysis?Blood Spatter Analysis or Blood Pattern Analysis (BPA) is the examination of bloodstain shapes, locations, and distribution patterns, to provide an interpretation of the physical events that gave rise to their origin. Displaying all worksheets related to - Shape Vs Splatter Lab. Study the three crimes that were involved with this murder. Below is the data we retrieved from this lab. Background:. A drop of blood falling into an existing bloodstain will result in a drip pattern. Answer: Most work a 40-hour week inside the crime lab; however, there may be some irregular hours and travel involved. You will need to read through the background information before you start the procedure, this will help you understand blood typing. Shape Vs Splatter Lab. General blood spatter questions 1. The TMB test is a presumptive test for blood. Purpose: You will be creating sample drop patterns using single drops and multiple drops. Explain how you could use the materials in this experiment to test how movement of a victim affects the shape and size of blood spatter. We can offer a review of investigative procedures as well as an expert analysis of specific physical evidence. For the ABO group, the most. 3 Blood and bullets in a lab (Courtesy: Data in Brief 22 269. Blood is a liquid (obviously) and as such, it follows well known and well. How an Unproven Forensic Science Spread Through the Criminal Justice System Bloodstain-pattern analysis has been accepted as reliable evidence by appellate courts in one state after another with little or no examination of its scientific accuracy. ] The lights of the police car flashed in cycles of red and blue all across the scene of the incident. To do this, students first learn about the techniques for blood spatter pattern analysis. The student is expected to: (A) Analyze blood stain patterns based on source, direction, and angle of trajectory; and (B) Explain the method of chemically isolating an invisible blood stain using. I learned to tell the difference between the independent and dependent variable, how important it is to have a control group to base your data off, and how precis measurements are required. Predict a solution to the problem or an answer to the question. His admission comes as a judge considers whether Bryan, whose case was the subject of a ProPublica and New York Times Magazine investigation, should get a new trial. A thorough forensics curriculum covering the analysis of analysis of fingerprints, hair, fiber, glass, soil and chemicals. Blood analysis is commonly carried out on a sample of blood drawn from the vein of the arm, the finger, or the earlobe; in some cases, the blood cells of the bone marrow may also be examined. blood evidence more visible so it can be photographed and analyzed. Description: WARD S Blood Spatter Analysis Lab Activities Using WARD S Simulated Blood, you can safely and realistically demonstrate blood spatter analysis techniques to your students. Draw a line through the middle of the long axis of each of the major drops of blood. Based on the graph and the crime scene, I came up with the height by marking the graph at the minimum diameter of 10 mm. In this science fair project, you will investigate blood spatter using fake blood. Worksheets are A matter of spatter 6 8th, Introduction to biology lab class activity work, Blood spatter lab, A simplified guide to bloodstain pattern analysis, Forensic science blood spatter across the curriculum, Forensics lab point of origin, Ice worlds, Bloodstain patterns. 3 feed back loop Heart Box diagram 4. Blood spatter analysis takes time and provides only a few pieces of the total crime puzzle. This resulted in 100% of the "real killers" DNA being lost. When you or your brother or sister do something wrong, your parents have to figure out who did it. Place a piece of copy paper on the floor. Study the three crimes that were involved with this murder. Crime Scene Blood Spatter Diameter: 10-15 mm. When drops of blood hit the floor at an angle, they produce elliptical stains, where their width-to-length ratio gives that impact angle. Chemistry Forensic Lab Course Information May Term 2019 - 2020. ronnie's dna matches the blood spatter on the birdbath. Is there a relationship between the height from which the blood is dropped and the size of the blood-spatter droplets? Support your answer with data. List three circumstances that a CSI may be able to determine from a bloodstain pattern. Objective: In Part I, you will examine the relationship between height and velocity as well as height and blood drop diameter. Angle of impact 3. The best way i can describe this blood draw laboratory is perfunctory, cold and borderline rude. 23 - AIMS Writing. What type of event could have occurred to produce these patterns? Explain your answer. However, since the blood spatter from the experiment was much smaller, it shows that Anna is shorter than 5 feet or 152. Blood splatter, although it doesn't exist as an actual, stand-alone category. At the bottom of the last page is a link to the answers! Any Blood Spatter Unit is not complete without splattering some ‘blood’! My students LOVE making and learning by analyzing their own spatter. You will need to inspect the photos and write the answers to the questions on your own paper. Patricia Ligon from Broughton High School in Raleigh, North. 100% average accuracy. To become a blood spatter analyst, you must earn a degree and complete rigorous training designed by the FBI. GENTLY squeeze the bottle so that ONE drop of blood is released and lands in the correct location on your paper. At the bottom of the last page is a link to the answers! Any Blood Spatter Unit is not complete without splattering some 'blood'! My students LOVE making and learning by analyzing their own spatter. • This can be messy! Be very careful to keep the blood on the paper and not on yourself, the table, or floor. When an object with blood on it touches one that does not have blood on it, this produces a. Results: This section will include a typed version of any data tables, observations, or additional notes you make during the lab. Blood Spatter Analysis. The collection and preservation of blood stain evidence is important because this evidence can be used to type blood or run DNA analysis. Shape Vs Splatter Lab. There are several types of chemical reagents that can be used to detect blood. Examine the relationship between angle of impact and blood-spatter patterns. Students are will create their own simulated "blood" spatter samples, collect and share data, then come to conclusions about how different heights can result in dif. The drop should NOT hit the meter. Percent of oxygen. Crime Scene Blood Spatter Diameter: 10-15 mm. Search this site. Record your data and answer the questions below. Enter the data in the calculator. Blood splatter analysis is a sub-category of forensic science, whereby it sets to determine, by the amount and trajectory of blood splatter on surfaces, the type of weapon used during the commission of the crime. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Blood Spatter Labs. A blood-spatter pattern is a collection of bloodstains produced by drops of blood that have traveled through the air from a source location to a target surface. is created when an object blocks the deposition of blood spatter onto a target surface or object. Case Study - Forensic Files Invisible. forum, a public place. The ability to design and carry out a controlled experiment will allow me to test any hypothesis in the future, whether in later science classes or in my future career. Answer and Explanation: Dr. Moran Due Dec 15 – Final Lab Notebooks. Education requirements? On the field requirements? Any help would be appreciated. Barn Owl Pellet Lab PowerPoint Presentation by Polly. We tried again with a different mixture, which turned into like a pure paste and was useless. Examples of PPE include: disposable gloves, gowns, laboratory coats, protective face shields, resuscitation masks or shields, and mouth pieces. Determining Point of Origin Lab Act 8-6. Blood Basics Card w/ Blood Typing Lab - This two-sided handout replaces the worksheets for the first two presentations and blood typing lab. Sign up for a forensic kit and run. Results: This section will include a typed version of any data tables, observations, or additional notes you make during the lab. ” Blood Drop blood spatter animations Eccentricity: of an ellipse is the ratio of the distance between the foci to the length of the major axis; this is necessarily between 0 and 1. Students must determine how the blood spatter found at the cabin scene was formed. For instance, a rough target surface can result in increased distortion to the stain and even satellite stains, which are additional stains radiating outwards. Blood spatter analysts work at crime scenes and in laboratories, carefully reconstructing the events of crimes. Final height determination: The blood spatter could have been 20-60 cm in height because the diameters of the crime scene spatters where smaller. We tried again with a different mixture, which turned into like a pure paste and was useless. We will also investigate the effect of motion and the angle of impact on blood spatter. Online blood analysis courses may satisfy requirements for various health science-related degree and certificate programs. A drop less than one millimeter however is associated with a high-velocity spatter and usually is the result of gun shots. ScT 11 Lab: The Effect of Height on Blood Drops. At this point you realize you are in for a "treat". We can offer a review of investigative procedures as well as an expert analysis of specific physical evidence. You will need to inspect the photos and write the answers to the questions on your own paper. If unable to deliver to the Laboratory, or if the object must be mailed, allow the stain to. In this instance, the employer must ensure that the worker's blood sample is preserved for at least 90 days in case the worker changes his or her mind about HIV testing. Determine the direction in which each blood spatter is moving by locating the tail of the blood spatter and any satellites. com Skip to Job Postings , Search Close. In addition, my slip does not have the exposure panel for employees checked either. What steps do I need to take to pursue a job in this field. Transfers occur when a blood source comes in direct contact with a target surface area. Words to use in your answers:_____ the diameter of the parent drop HEIGHT DIAMETER SPINES SATELITES The higher the height of the drop, the and the _____ the spines become. " Blood Drop blood spatter animations Eccentricity: of an ellipse is the ratio of the distance between the foci to the length of the major axis; this is necessarily between 0 and 1. answer choices. Asked in Laboratory. Results of presumptive testing should be included in the report. 22 - Begin Blood Spatter Analysis (Activity 8-3) and Blood-Spatter Impact Angle (Activity 8-4) (Inquiry lab using trigonometry to determine height from which blood fell, and angle of impact) DRESS Feb. Our class is a biomedical class. List three circumstances that a CSI may be able to determine from a bloodstain pattern. Secondary spatter is a result of an event other than the blood loss event and refers to satellite spatter. What is the difference between blood spatter patterns, blood drip stains, and blood transfer patterns? b. 5 cm, in the middle drop of blood is 1. One could say, for example, that blood-spatter analysis is “grounded in” physics — the physics of what a liquid such as blood does as it is forced from the body, travels through the air and. True False. A blood spatter analysis is a form of forensic science, in which crime scene investigators study physical characteristics of spatters to determine what events took place. License Info this background about refer to blood in the revolation. 216 Blood and Blood Spatter ACTIVITY 8-1 A PRESUMPTIVE TEST FOR BLOOD Objective: By the end of this activity, you will be able to: Use the Kastle-Meyer Presumptive Blood Test to determine if a given stain contains blood. The interpretation of blood spatter may not always be definitive. Conclusions: (answer on back) 1. His admission comes as a judge considers whether Bryan, whose case was the subject of a ProPublica and New York Times Magazine investigation, should get a new trial. Conventions used in making solutions; molarity, and per cent. Tags: Question 12. episode 1. Students receive bloodstain pattern evidence from a crime scene. Identify the Problem or Question Problem Statement: Determine what height the blood droplet fell from based on the crime scene bloodstain patterns 2. Include answer and explanation Blood Spatter Evidence: Blood Spatter PPT You must come after school to make up the ballistics lab. The blood spatter includes only very large blood droplets. The length and width measurements from Activity 3, Table 4 (Sheet B, unknown information) will be used. Lab 2: Multiple Droplets. 8) There are only 21 trained blood spatter professionals certified in the United States - How does one become a blood stain analysis expert? Page 5 9) Note 3 key dates in blood spatter history and what those dates mean to evidence today. Who discovered the human blood groups? 2. There are two different types of blood that can be collected at a crime scene: liquid and dried blood. Henri is guilty of savagely hacking to death his father Martin, his mother Teresa and his brother Rudi. ‘presumptive blood’ and/or ‘apparent blood,’ etc. Blood Spatter Analysis. Secondary spatter is a result of an event other than the blood loss event and refers to satellite spatter. Lab Handout episode 1 - Discovering the elements and answer the questions. Blood at a crime scene can lead detectives to answers about an investigation. BPA in the News Henri van Breda has been found guilty of three counts of murder and one count of attempted murder in the Western Cape High Court today. In what other ways can blood be used as forensic evidence? 3. 6 - Blood Spatter Lab (APK 8), Day 2 (APK 9), Wrap-up & Quiz (No APK). Click it and you will be taken to the Ck-12 home page. Search this site. Showing 1 - 118 of 118 resources. Determine the direction in which each blood spatter is moving by locating the tail of the blood spatter and any satellites. Tags: Question 12. From fingerprints to DNA, from impression evidence to blood spatter, forensic science combines biology, chemistry, physics, and the law into one of the fastest growing STEAM disciplines! From fingerprints to DNA, tool marks to shoe prints, and blood splatter to trace evidence,. I ask them to prepare a lab report. They argued that Simpsons blood found on the evidence samples resulted from contamination in the LAPD crime lab with the reference blood in all but three exhibits. 3B Place appropriate signs where required 95 3C Remove spills in accordance with organisational policies and procedures 98. Forensic Serology: Blood Typing. Describe the pattern created from high velocity blood spatter. The blood spatter patterns "tell a story" of the crime and help the investigators determine if eyewitness accounts are consistent with the evidence. Blood spatter analysts work at crime scenes and in laboratories, carefully reconstructing the events of crimes. How much blood does a typical human have circulating throughout the body? 3. This activity can be completed in three or four 45 minute class periods. The nature of the target can alter the appearance of the stain. 3 feed back loop Heart Box diagram 4. 100% average accuracy. Be able to identify human red and white blood cells and platelets. Assessment: completed lab report review blood spatter presentation and answer questions. Homework: Intro to Matter Unit 1 - classifying matter & properties of. This link shows a good video on blood stain. Blood spatter is used at crime scen. In the Murder at Old Fields Blood Spatter Lab, students measure blood drops for elongation and the length of its spines to help determine the height at which the blood was dropped from the surface and the direction in which the blood was traveling. Forensic Laboratory Analysis. College to Career—Forensic Chemistry. 1 Lab Report Example (PDF). Place a piece of scrap copy paper on the floor. Scroll down unit you see the video (Human Ciruclation-Blood Vessels) and watch the first video and submit your notes to the instructors. They also determine how blood was sprayed, if and what. 3D Minimise contamination of materials, equipment and instruments by. DNA and blood stain pattern analyses were done on the blood stains and the boots. Bunsen Burner Lab, Safety Quiz. We used a blood pressure machine and HR monitor. Math and environmental science are also essential components of a blood spatter analyst's job. Examine the blood spatter produced by dropping blood from the six different heights. Study the Blood spatter animation from the following link and answer the questions. The length and width measurements from Activity 3, Table 4 (Sheet B, unknown information) will be used. Besides being useful in locating minute amounts of blood, the luminescent pattern observed on surfaces could indicate such things as; the route of exit from the crime scene, drag marks in blood, or an attempt to clean up blood. In 1939, Dr. Advanced Techniques in Blood Spatter Analysis. Blood Spatter Analysts examine and analyze blood that has been left behind at a crime scene. For instance, a rough target surface can result in increased distortion to the stain and even satellite stains, which are additional stains radiating outwards.