Aim The aim of this experiment is to calculate the average human reaction time for a simple task. Hypothesis If the activity is repeated a number of times‚ then the reaction time will decrease‚ therefore the slower the reaction time‚ the further the ruler will fall. Variables - which variables are you going to: Change? (Independent Variable) The Independent Variable in this Investigation is the reaction time. Measure? (Dependent variable) The Dependent Variable in this Investigation is how
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element or compound reacts with oxygen to produce energy in the form of heat and light. It is a reaction that requires oxygen. My objective in doing this experiment is to determine the effect of the height of the candle on the length of its burning time. The existing problem is Suffocation. Research Problem: What is the effect of height of the candle on the length of its burning time? Hypothesis: The shorter the Candle‚ The longer the time it will burn. Experimentation: A. Materials 1. 3 identical jars
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Introduction Cell respiration is the process of a cell converting sugars into ATP (energy) in the mitochondrion. It is an essential process which enables organisms to survive and function (Biology Online‚ 2010). Not only does it produce ATP‚ but also carbon dioxide (though decarboxylation)‚ NADH and FADH and in the case of some organisms‚ alcohol. Saccharomyces cerevisia‚ a bacterium commonly known as yeast‚ is used in various aspects of life‚ from winemaking to baking. It respires both anaerobically
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between temperature and light absorbance. The higher the temperature of the water surrounding the beetroot‚ the more coloured the water around the beetroot was. This is shown in the graph by: at 0°C‚ the water surrounding the beetroot was fairly pink and had an averaged amount of 0.074 absorbency. At 80°C‚ the water surrounding the beetroot was very pink almost red‚ and had an average of 0.982 absorbency. Conclusion The hypothesis was that beetroot left to diffuse at a higher temperature will have
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Marinduque Midwest College Dili‚ Gasan‚ Marinduque COLLEGE DEPARTMENT The EFFECTS OF poor QUALITY EDUCATION over a lifetime Submitted by: Christian Jay F. Zoleta BEED IV- Sagittarius Submitted to: Mr. Joey Semilla Instructor In Partial Fulfillment in the Requirements in Social Dimension SY 2013-2014 I. Introduction The impact of low-quality education can be negative as it fails to produce
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4. Which city has the warmest annual temperature? The city of Vancouver has the warmest annual temperature. This is because of the Ocean currents together with the Wind and Air masses‚ and Vancouver’s Nearness to water. Latitude: Even though Vancouver is fairly south‚ it isn’t as southerly as many other places making latitude‚ not a cause. Ocean Currents: Ocean currents play a huge role in the average annual temperature of Vancouver. The Warm North Pacific current brings warm water towards Vancouver
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PRODUCTS OF COMBUSTION OF GASEOUS FUELS AND CALCULATED FLAME TEMPERATURE Gheorghe CAUNEI FLORESCU1‚ Lt. Eng. Constantin NISTOR‚ PhD. Student2‚ Associate Professor Amado George STEFAN2 1 GENERAL DIRECTORATE NATIONAL SYSTEM HAIL - MINISTRY OF AGRICULTURE AND RURAL DEVELOPMENT‚ 2 MILITARY TECHNICAL ACADEMY Abstract. The work contains elements of combustion stoichiometry. It defines the ratio of the mass of the fuel mc and air mass ma‚ called fuel-air dose‚ d. Commercial liquid fuels for
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The effects of environmental temperature on respiration rates of mice were observed in this experiment. I hypothesized that when environmental temperature decreased‚ the respiration rate of mice would increase. I predicted that if environmental temperature decreased‚ the respiration rate of mice would increase. The respiration rate of the endotherm was measured using the Qubit/Vernier system and the S152 CO2 gas sensor‚ a device that measured the CO2 concentration in the air. The independent variable
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Two experiments were performed to investigate the effects of temperature on the growth rate pine seedlings. Experiment 1 A batch of 60 pine seedlings (Batch I) was grown in a greenhouse under controlled temperatures. Ten plants were grown at each of six temperatures from 50 C to 300 C. These plants remained at their original temperatures 24 hours each day for two weeks. All other conditions were the same for all seedlings. The growth rates are shown in Table 1. Table 1. Growth rates for pine
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are exposed daily to oxygen (such as fruits‚ vegetables and animals). Background Information The Catalase enzyme in this experiment is known for being less affective the warmer the temperature is. According to “Science fair projects” an enzyme becomes unstable at higher temperatures and the shape of the enzyme changes. The enzyme is also used to remove hydrogen peroxide from clothing in the textile industry. This would make sense because when an enzyme encounters a substrate molecule
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