Homeostatic Control of Core Body Temperature Our bodies have processes that happen to keep everything at an even rate. If things get out of balance our bodies tries to bring them back into balance. Homeostasis refers to the processes of keeping internal body environment in a steady rate‚ when the external environment is changed. The aim of this essay is to discuss the internal environment‚ the importance of regulation of core temperature‚ negative feedback and positive feedback and contrast
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Investigation Into Temperature Sensors Introduction In this project I will be investigating how it is possible to use a temperature sensor to keep a greenhouse from changing temperature too much. This is intended to help plants live and grow in their optimum temperature. This will create a perfect temperature for the enzymes in the plants to work in‚ and therefore resulting in a maximum growth/production rate. This could be useful for gardeners who wish to grow plants as quickly as possible
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LAB ACTIVITY: Coastal and Continental Temperature Ranges ANALYSIS: 1) I can tell from the temperature curves that the cities are all in the Northern Hemisphere because it ranges from low to high then back to low again starting in January. 2) The city that has the greatest yearly temperature range is Bismarck‚ N.D. 3) The cause of the greatest range is because the location is located most near the pole. 4) The rates of heating and cooling do not differ much for New York
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1. It is estimated that uranium is relatively common in the earth’s crust‚ occurring in amounts of 4 g/metric ton. A metric ton is 1000 kg. At this concentration‚ what mass of uranium is present in 1.0 mg of the earth’s crust? a) 4 nanograms b) 4 micrograms c) 4 milligrams d) 4 × 10–5 g e) 4 centigrams Ans: a) 4 nanograms Page: 1.3‚6 2. In 1928‚ 1.0 g of a new element was isolated from 660 kg of the ore molybdenite
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What effect does temperature have on the oxygen production of enzymes in an animal’s liver? A temperature which is too high would be able to produce little to no oxygen because of the extreme temperature. Just like a temperature too high‚ a temperature which is too low would also produce little to no oxygen for the same reason. Animals that have livers are considered warm-blooded‚ with very warm temperatures; therefore it would make sense for a warm temperature to produce the most oxygen; but one
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A theory can be proved correct if sufficient experimental data is acquired. | | | A theory is an explanation of the general principles of a certain phenomenon‚ with considerable evidence of facts to support it. Although a theory can be proved wrong‚ it cannot be proved correct‚ for it is always open to modification. | | 5. | | Which of the following is an intensive quantity? Your Answer: | density of a substance | | | Density does not depend on the amount of substance. | | 6.
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Heat and Temperature Heat is often described by the average individual as being the change in temperature from hot to cold. “Often the concepts of heat and temperature are thought to be the same‚ but they are not.” Heat and Temperature‚ para. 2) Perhaps the reasoning behind the incorrect reasoning is that humans associate the two together because when heat is applied to an object the temperature rises. The kinetic theory of matter better explains the underlying cause as to what takes place
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Group No. Date: Leader : Section: Members: Experiment no: 1A Data and Results: Initial Temperature: To = 25 degrees Celsius Final Temperature: Tf = 100 degrees Celsius Rod | Initial length | Change in Length | Coefficient of Linear Expansion(Exp) | Coefficient of Linear Expansion(Theo) | % Error | Steel | 40 | .035 | 1.17 x 10 / C | 1.1 x 10^-5/ C | 6.36% | Copper | 40 | .055 | 1.8 x 10 ^-5 /C | 1.7 x 10^-5 /C | 5.88% | Computation : Conclusion: 1. A bemetalli
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constantly. Gases can fill a container of any size or shape. It doesn’t even matter how big the container is. The molecules still spread out to fill the whole space equally. That is one of their physical characteristics. Think about a balloon. No matter what shape you make the balloon‚ it will be evenly filled with the gas molecules. The molecules are spread equally throughout the entire balloon. Liquids can only fill the bottom of the container‚ while gases can fill it entirely. The shape of liquids is
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Temperature Rising Global Warming is the increase in the average temperature of the Earth’s near-surface air‚ landmasses‚ and oceans its projected prolongation. Many believe that the Earth is currently facing warming in the ozone layer brought on by the rising levels of trapped gases known as the greenhouse effect resulting especially from pollution. Global warming is‚ in Laymen’s terms‚ altering the balance in energy of the earth (Reid 27). “The topic of climatic change has been in question
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