Part One: Scenario 2: Katherine wants to investigate if the time of day a plant is watered affects the growth of the plant. She hypothesizes that a plant watered in the morning will grow faster than a plant watered at other times of the day. 1. Identify the specific independent and dependent variables that will be involved in an experiment to test this hypothesis. 2. List at least five variables that should be controlled during the experiment. For each variable identified‚ give a specific
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this done? Distance determination is the process of estimating the distance between where a shot was fires and its target. this is done by looking at the patterns of powder residue/ shot pattern. 4. What is the Greiss Test? The greiss test is when forensic scientists use chemicals to develop gunpowder residue patterns‚ usually around bullet holes. 5. When a bullet is retrieved‚ how is it marked for identification purposes? What should be avoided? When a bullet is retrieved it is marked with the investigators
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each occur? Answer: Three types of fingerprints found in the human population are loop where 60 to 65 percent of the population has them‚ whorl where 30 to 35 percent have them‚ and arch where about 5 percent have them. What is a medulla? What do forensic scientists use this for? Answer: Medulla is a set of cells that runs through a hair. They use it to compare and identify hair. What is a precipitin test? What is it used for? Answer: A precipitin test is used to distinguish between animal and
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Ask a Question: The scientific method starts when you ask a question about something that you observe: How‚ What‚ When‚ Who‚ Which‚ Why‚ or Where? And‚ in order for the scientific method to answer the question it must be about something that you can measure‚ preferably with a number. Your Question Do Background Research: Rather than starting from scratch in putting together a plan for answering your question‚ you want to be a savvy scientist using library and Internet research to help you
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Uses of Scientific Methods in Business Uses of Scientific methods in Business An Overview: Scientific research serves us to comprehend the world around us‚ how things work and why certain things look or act the way they do. Scientific research consists of intrusiveness‚ observations‚ experiments and evaluations. It attempts to use these to answer questions about what causes differing phenomena. It is important to note that scientific research does not provide absolute solutions to questions‚
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knowledge is scientific knowledge‚ and that such knowledge can only come from positive affirmation of theories through strict scientific method. The main thrust of the positivist research tends to follow certain scientific and measurable methods to conduct a research. A positivist approach is one that is considered objective‚ detached and if I may put that way‚ structured by the researcher’s views who test a hypothesis. It is usually associated with quantitative data collection methods and statistical
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fingerprint ( my index finger and my middle finger)‚ with those prints i seen ridge edging and arches. 2. I did not have a partner so i cant compare fingerprints. 3. Police officers‚ crime scene investigators and others in the justice system rely on forensic science techniques to ensure that the right people are punished for law violations and to keep people safe. Fingerprints are starting players in the criminal offense and defense lineup. They are so important to criminalistics that justice officers still
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Scientific method paper Part I. It was the finals of the 2004 swimming state championships. I was seated second in the 100-yard individual breaststroke. My heart was pounding as I swam my warm up laps. I would have to drop about a second or so to have any shot at the title and the gold. I hopped out of the warm up pool‚ and headed over to grab my towel and work out a strategy plan with my coach. The first order of business was to address the main problem. I needed to win. My coach
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Paint Data Query‚ is the computerized database of automobile paint. This is used to narrow down the make and model of a specific paint chip. Critical Thinking Questions 1. What are some of the challenges for forensic scientists in dealing with fiber evidence? Some of the challenges for forensic scientists in dealing with fiber evidence are that they have to look at every small piece of evidence. 2. What does it mean if a paint sample "matches" a known sample from a vehicle? Does this indicate the
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Marine Science – submit this alternate for “Sea Turtle Rehab” (Honors Caretta Caretta Turtle Rehab) Forensic Science – submit this alternate for Unit 5 Lab Questions Sea Turtle Nests Female turtles nest 1-10 times a season (May 1 - Oct 1) Lay between 80-120 eggs The group of eggs is called a Clutch Incubation = ~60 days After hatching‚ it takes 3-7 days to dig to the surface About ________1 in 1000___________________ hatchlings will survive to adulthood Nest temperatures determine the gender
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