Appreciate how a physical property that varies with temperature may be used for the measurement of temperature‚ and state examples of such properties. Recognise the need for and identify fixed points. Describe the structure and action of liquid-in-glass thermometers. Demonstrate understanding of sensitivity‚ range and linearity. Describe the structure of a thermocouple and show understanding of its use for measuring high temperatures and those that vary rapidly. 1. A clinical thermometer
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Temperature effects on the growth of microorganisms Introduction: The purpose of this experiment was to determine the effects that temperature has on three different organisms. Temperature is one of the most important environmental factors affecting growth and survival of microorganisms². The three organisms used where Escherichia coli‚ Pseudomonas fluorescens‚ and Bacillus stearothermophilis. Most bacteria grow within a particular temperature range. The minimum growth temperature is
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2. How is the colour related to surface temperature of the star? The correlation between the surface temperature of a star and its colour is due to the phenomena known as black body radiation .A star is a black body‚where it aborbs all the radiation falling upon it.AS its temperatures gets hotter thanits surrounding‚the star radiates its on electromagnetic radiation‚known as black body radiation. This radiation is distributed unevenly but contionously through multiple wavelengths of the electromagnetic
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Effects of Temperature and pH on Enzyme Function Chelsie Mesa Section 0479 Robin Cotter Introduction The purpose of this experiment is to identify three unknown enzymes. This is done by using different temperature and pH to affect the function of the enzyme‚ which ultimately‚ will affect how much maltose is produced. Enzymes are proteins that help catalyze chemical reactions. In enzymatic reactions‚ the molecules at the beginning of the process are called substrates‚ and the enzyme
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soaked and place in a bowl. It was then grinded using a spoon. The starch on it was extracted a Muslim cloth. The juice/extract was separated from the starch and was placed on the remaining two bowls. One fourth kilo of starch was produced. After that‚ the starch was set on a fiber glass. It was flattened and the top layer was covered with plastic cover. It was then dried under the sun. After about 7 hours of sun drying‚ the starch was removed from the fiber glass. Same treatment was also done for
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Conclusion to HIV Aids Media has a powerful role to play in educating the world. It was years ago‚ that Acquired Immune Deficiency Syndrome‚ the disease now recognized all over the world as AIDS‚ was first detected and recorded in Asia. Over the past two decades‚ the infection rate has grown rapidly in Asia‚ which is now second number to Africa in the number of HIV positive people. In Pakistan‚ HIV and AIDS was first detected in 1986 and according to UNAIDS estimates‚ this country now has over
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Analysis and Interpretation Trends of the data: With the cross-sectional area on the whole it seems to increase as the river progresses‚ with Site 1 being 9.23 and Site 5 being 18.13. However Site 4 has a higher figure than Site 5‚ yet this was due to the fact that we could only use part of Site 4‚ as one half of the river was completely dry‚ so the results from that site are likely to be an anomaly. Looking at the Bedload in the bar graphs it is clear that with the pebble roundness the pebbles
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Effect of Catalase at Different Temperatures Abstract The role of this experiment is to determine the effect of temperature on enzymatic activity. The results of the experiment were the colder the temperature the slower the reaction rate and the hotter the temperature the faster the reaction rate. Introduction Enzymes are chemical substances found in living cells and they act as catalysts of the various chemical reactions that occur in them.(Preszler‚ 2012) They bind to substrates that have
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Introduction and Conclusion Ignacio Reyes COM 220 October 05‚ 2012 Mary Mc Williams I would start off my paper writing about different types of drugs and the effects it has on society these days. The drugs‚ the side effects‚ and how these affect our loved ones. From experience I can say that using drugs and going the wrong way will always bring problems to the table‚ emotionally and financially. I will also be talking about drugs and where they come from‚ who the bad people
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The Effect of Increasing Temperatures on the Enzyme Catalase Enzymes are proteins that help speed up chemical reactions inside your body and without enzymes‚ chemicals reactions in cells would be incredibly slow to a point where no activity at all takes place (Brawo press Inc‚ 2017). Enzymes speed up the chemical reactions by lowering the activations energy and they do this by binding substrates together in the correct orientation to react (Ernest Z‚ 2014). They are vital for life and serve a
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