[INSERT TITLE HERE] 1 Running head: [INSERT TITLE HERE] [INSERT TITLE HERE] Student Name Allied American University Author Note This paper was prepared for [INSERT COURSE NAME], [INSERT COURSE ASSIGNMENT] taught by [INSERT INSTRUCTOR'S NAME]. [INSERT TITLE HERE] 2 Directions: Please answer the following questions. Each of your responses should be at least 3 to 5 sentences in length. Chapter 3 Questions: 1. List six types of physical evidence derived from human or other animal sources that commonly are found at crime scenes. 2. List and define the two methods used by forensic scientists when examining physical evidence. 3. To permit positive identification, testing procedures used by a forensic scientist must meet what two conditions? 4. Describe the two steps in the process of comparison. What question does each step attempt to answer? 5. Define individual and class characteristics. 6. Define the product rule and explain how it can be used to determine whether two blood samples come from the same source. 7. What is the greatest weakness of class evidence? List two factors that contribute to this weakness. 8. What is the value of class evidence? Why is this important in making a case to a jury? 9. Why are some jurists wary of allowing unconditional use of scientific evidence in court? 10. How can the extreme sensitivity of modern analytical techniques hinder the process of comparing items of physical evidence? 11. What are IAFIS and CODIS? Describe the purpose of each. 12. List and describe three physical and/or chemical changes that occur in the body that enable a forensic pathologist to determine time of death. 13. What important considerations must be made when determining PMI using forensic entomology? 14. List the areas of the skeleton that can be used to determine the gender of skeletal remains. Chapter 4 Questions: 15. Define the terms physical property and chemical property. [INSERT TITLE HERE] 3 16. Why is the metric system of measurement easier to use than the \"English system\"? Which system is used in the United States? 17. List the basic units of length, mass, and volume in the metric system. 18. What reference points are most often chosen when constructing a temperature scale? 19. List the two most commonly used temperature scales and their respective reference points. 20. Define weight and mass and explain the difference between the two concepts