Earth’s Energy Budget Introduction: This Albedo lab was created to help explain the process in which the Earth reflects solar energy back to space. The fraction of radiation reflected by an object is known as an albedo. In relation to the atmosphere‚ as solar radiation reaches certain colors on the surface of Earth‚ more radiation is absorbed by darker colors‚ which in turn decreases the solar radiation that reflects back to the atmosphere. If a person was interested in learning more
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“PROJECT-BASED LEARNING (PBL)” Antoine Toombs Electrical Engineering Technology Savannah State University acard@student.savannahstate.edu Morris Johnson Electrical Engineering Technology Savannah State University Mjohnson ABSTRACT Project-Based Learning (PBL) is an investigative and practical method of solving and succinctly coming to a conclusion about scientific related topics. The objective of PBL has many implications‚ but the research on its behalf is used to represent a student’s
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In my experiment‚ I investigated the question “How does the amount of solute affect the time it takes for the solute to dissolve?” I thought about this question for a very long time and come up with a hypothesis for the investigation was “If the amount of solute increases‚ then the time for the solute to dissolve will increase. This is because the solute will become more concentrated and it won’t disolve into the solvent as fast. (Sadner‚ 2008)” Looking at the data I collected‚ I think that this
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Thermodynamics-Enthalpy of Reaction and Hess’s Law Purpose To demonstrate the principle of Hess’s Law and to find the heat capacity of the coffee cup calorimeter using three different reactions. Data Tave = (46.4-45.2)/2 = 45.8 qwater = -(100g)(4.184)(46.56-45.8) = -318 J Ccal = 318J/(46.56-21.2) = -12.53J/g*C Tinitial = (27.1+23.8)/2 = 25.45 qrxn = -(100g)(4.18)(38.43-24.45)+(-12.53x12.98) =-5400J/.1mol(1J/1000kJ) = -54.0 kJ/mol Tinitial = (26.0-24.5)/2 qrxn =-(100g)(4
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Cellular Respiration My hypothesis for the germinated pea experiment was that the level of aerobic respiration would increase as the temperature would increase. I also predicted that there would be an upper temperature limit. The experiment proved part of my hypothesis correct and part of it incorrect. I was correct in predicting that the rate would increase as the temperature increase‚ but I was incorrect in hypothesizing that there would be an upper limit. My hypothesis for the larvae experiment
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Science Fair Project Ideas If you’re looking for science fair project ideas you came to the right place! On this page you will find several ideas for cool science fair projects‚ for kids of all ages. These projects are particularly interesting because they have practical relevance in real life‚ and you can use common everyday materials to create them. These project ideas are mostly physics based. For the most part I have worked on these projects myself‚ and have included pictures for your benefit
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Arizona is known for its scorching summers and beautiful landscapes. In the summer months‚ the temperature is known to soar above 100 degrees Fahrenheit‚ but that does not stop the large droves of tourist from visiting natural landmarks such as The Grand Canyon and The Painted Desert. Most people (including myself) who call themselves “Arizonians” are aware of these high temperatures and have adjusted their lifestyles to them. Yet‚ models pertaining to climate change show that in the future these
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the amps. Once sufficient amps pass thru the valve‚ the arm flexes and opens‚ releasing gas into the oven burner tube. The gas travels thru the burner tube until it reaches the bake or broil igniter by this time the igniter is over a 1000 degrees Celsius. So the gas is easily ignited and the appropriate burner will begin to heat. The igniter remains on to keep the safety valve open until the oven reaches the designated cooking temperature. The temperature is monitored by the sensing bulb on the thermostat
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today‚ took his temperature last night with a mercury thermometer and states it was 103.6 degrees. Examination today reveals a child who appears in moderate distress. His skin is hot‚ and temperature was documented in the office at 39 degrees Celsius. Weight today was 51-1/2 pounds. Exam of the throat reveals the tonsils to be hypertrophic and kissing in the midline. The uvula is somewhat deviated to the left. There is erythema of the tonsils bilaterally with a peritonsillar abscess present on
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that is coated with a heat-resistant inner lining‚ support rollers and a drive gear to keep the contents in a continuous rotating motion and internal heat exchangers capable of producing temperatures well over 2732 degrees Fahrenheit (1500 degrees Celsius). Rotary kilns are used to heat solids to the point where a required chemical reaction(s) takes place. The rotary kiln is basically a rotating inclined cylinder. Solids retention time in the kiln is an important design factor and is set by proper
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