Department of Chemistry Physical and Chemical Properties Submitted by Date Submitted: February 2‚ 2014 Date Performed: January 31‚ 2014 Lab Section: Chem-180 Course Instructor: Professor Spenser Purpose The purpose of this lab experiment is to observe physical and chemical properties of substances which
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Review Questions 1. What is a comparison microscope? What are the advantages of this microscope? A comparison microscope is a type of microscopes that is commonly used in a forensic laboratory. This microscope combines two microscopes into one unit‚ allowing the viewer to see what is under each of the lenses at the same time. This is a huge advantage because it allows you to compare evidence with a known sample because the two samples can be examined side by side. 2. What are the three substances
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Properties and changes are used to describe matter. A property is a trait of matter‚ when that sample of matter is in a fixed state. There are two different types of properties: physical properties and chemical properties. A change is something that alters the properties of a substance. There are two types of changes: chemical changes and physical changes. A physical property is a property that can be observed without changing the makeup (or composition) of a substance. Some examples of a physical
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Forensic Scientist A Forensic Scientist is someone who puts their scientific training‚ skills‚ and experience in a criminal and legal environment‚ to help catch and convict people who have committed crimes. Forensic scientists are called upon when help is needed to extract and assess any physical evidence that could have been left at the crime scene. The details of the evidence is then explained in a court in order for an appropriate legal action to take place against the crime. Forensic science
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Forensic science helps solve crimes faster‚ and with the crime rate in every country rising‚ forensic science becomes increasingly important. The forensic department of a country also reduces the burden of the government in criminal investigations. Forensic science can be used to control cybercrime through IB and email address tracing (computer forensics). Forensic pathology is used to determine the cause of death by examining post mortem blunt force trauma‚ lacerations‚ burns‚ the scene of the
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Forensic Science in the 21st Century DeShelle Edwards AJS/592 March 7‚ 2013 Frank Battle Abstract The importance of forensic science is continuing the objective to resolve crimes effectively and proficiently to generate eminence outcomes. Forensic science continuously expands on innovative methods and theories within a challenging industry. Forensic science is critical to the analytical practices‚ court procedures‚ and safety measures
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1. INTRODUCTION Forensic science is the application of scientific procedures to help solve criminal and legal matters. At the scene of any crime a variety of physical evidence may be left behind that can link a criminal to a crime‚ or help reconstruct the sequence of events which occurred during that crime. Forensic biologists examine articles and crime scenes for evidence of biological material and attempt to determine the origin of that material by using tests that provides biologically discrimination
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considering the fiber evidence was the most factual information that the prosecution had linking Wayne Williams to the bodies of the murder victims. By using the forensic experts in educating the jury on how distinctive fibers types can be‚ by using photos and charts ("Wayne Williams Trial: 1981 - Prosecutors Use Microscopic Analysis‚ Williams Takes The Stand‚ Suggestions For Further Reading"). They also brought the experts in the textile industry‚ and used them to back up the forensic experts on the
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evidence is presented. That is why in the story “Forensic: Evidence‚ Clues‚ and Investigation” by Andrea Campbell‚ Forensic Science is proven to be the most important evidence to present in a court case. In court when evidence is shown‚ such as finger prints‚ blood stains‚ and weapons‚ it is Forensic Science. This evidence is mainly used in violent crimes. Murder would be an example of this. Small crimes such as burglary Forensic Science would not be used. Forensic Science has
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Review Questions 1. What are club drugs? What are some of the factors that support the use of club drugs? 2. What are screening tests? Why are they used? 3. What are color tests? Why are these tests used? 4. What are microcrystalline tests? What information do they provide? 5. What is spectrophotometry? How can this be useful in identifying drugs? Critical Thinking Questions 1. Why are forensic scientists an important part of drug cases? 2. If you were a forensic scientist and you were called
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