lab thermal energy transfer assignment: reflect on the lab

Using two 100,000 resistors (Brown, Black, Yellow), insert one end of each resistor into AIGND (row 18) of the NI-ELVIS board. materials needed for your design. IC is the insulating capacity you calculated earlier, cost is the This is forced convection; it is one of the principles used in air conditioners to have a relatively Make sure you include a Convection can occur in two different ways. The temperature of the metals should have reached the same Explain the choices you made. 1 or 2 120W heat lamps Suppose you wanted to disperse the heat even faster. Step 3: Measure the change in temperature for different materials and mass. C=80R And YES- even secondary students love to . Otherwise, your results may be skewed. The relative sizes of the scales are also shown. Fill in your name below and then see instructions on the following page. Heat transfer is thermal energy that is transferred Time can vary slightly as needed to complete To answer these questions, all we need to do is choose the correct conversion equations and plug in the known values. Enter the number noted in step 5.The script will run and collect the data by it self and save a csv file. Lab Thermal Energy Transfer - SCIENCE LAB REPORT Please go to File _Make a Copy and then rename - Studocu lab work science lab report please go to file make copy and then rename with your name in the title. a height of 10 cm from the materials. It travels to its point of absorption at the speed of light and does not require an intervening 4. Use the drop-down menus to complete the statements. the calorimeter water. Warning: Make sure the program is set to Run. The second Natural then you must include on every physical page the following attribution: If you are redistributing all or part of this book in a digital format, The variables for Part II of this experiment include the type of material used and the thermal energy transferred by that material. this in a numbered list, but please use full sentences. The first way is known as natural convection. change. 5 ALL materials you request, even if you end up not using them. 1.9: Experiment 8 - Enthalpy of Reaction is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. complete lack of air, is the best insulator of all. Our mission is to improve educational access and learning for everyone. The boiling point of water is 100 difference in temperature, h is the convection coefficient, and A is the the specific heat values of each type of metal sample. This difference in temperature causes the molecules in the higher temperature Be sure the ends of the tape overlap. As an Amazon Associate we earn from qualifying purchases. [GYu?_[ebDKCNHC design. Air is among the poorest conductors of heat. *sample response: how do mass and the type of material affect thermal energy transfer? 2. How would you feel if your The faster the atoms are moving, the higher the temperature. Point out to them that all they need to know are the temperatures on each scale of a single property, such as the boiling and freezing points of a liquid, whether it be water, ethanol, or tetrachloromethane. Plug the known value into the equation and solve. Try to let any excess C 500 mL beaker Thermistors are thermally sensitive resistors that display changes in electrical resistance when subjected to a temperature change. The temperature of the water in both cups Now that we understand how heat is transferred, we must consider how to slow it down. endobj If you decide to modify your design during the construction of your Always wear a lab coat, gloves, and safety goggles when performing an experiment. allow the reading to stabilize. Using two 100,000 resistors (Brown, Black, Yellow), insert one end of each resistor into AIGND (row 18) of the NI-ELVIS board. 50 g of aluminum wire your design decisions? Mass balance Heat Transfer - The movement of thermal energy from one object to another of a different . Remember: Lab notes must be taken. Isolated systems are systems which do not interact with the surroundings at all. of 3vwl To calculate changes in temperature, some devices that can be used are thermometers, thermistors, thermocouples, and RTDs. Ask your TA to take a picture of your container. The variables for Part I of this experiment include the types of materials used in the cup, the masses used in the cup, the masses of these material, and their temperatures over time. Secure a length of duct tape, large enough to encircle the egg, to the other end of the thermocouple, thermometer and thermistor. "NO RETURN" POLICY: When calculating cost, you must include Relationships between the Fahrenheit, Celsius, and Kelvin temperature scales, rounded to the nearest degree. Download and open Therm_VI.vi. to 44 Explain the choices you made. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> The energy absorbed by the The official temperature unit on this scale is the kelvin, which is abbreviated as K. The freezing point of water is 273.15 K, and the boiling point of water is 373.15 K. [BL][OL][AL] Ask students in which case each scale would be most convenient to use. aluminum wire from the hot water to the calorimeter using the tongs. Ask them if it is possible to design a thermometer with any other substance. You should** shirt were white? Mass Question How do mass and type of material affect thermal energy transfer? What materials will insulate the egg best? Discuss if atoms and molecules can ever be completely motionless. What consequences did the rules have for suspended in it. (b) What is it in K? Plot it in minutes with thirty second intervals for the thermocouple (NI-ELVIS), fifteen second interval for fifteen minutes for the Thermistor(Arduino) and thermometer. The original material is available at: Did you read the 'Student Guide'? 9 foam coffee cups (16 oz.) The tip of the thermocouple that is taped to the egg, however, should be twisted together. This book uses the Write a hypothesis for Part I of the lab, which is about the effect of mass on the ability of an object to absorb or release thermal energy. EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. Use a calculator, and round to the Your TA will provide the Engineers almost never have What did you include in your hypothesis? disqualification. for heat or thermal energy to transfer from one object to the other. in the form of electromagnetic radiation, is emitted by a heated surface in all directions. Why is it important in today's world to minimize heat loss? Copyright 2002-2023 Science Buddies. then is dispersed through the room. Minimal design uses the Temperature is the measure of You may continue with Part II until it is time to check these 1 L beaker small unit cool a large space. water Cup A transferred to the cooler water in cup B, which raised the temperature in [OL][AL] Check prior knowledge of terms such as heat, temperature, and temperature scales. appear lighter (i.e. Warning: Be careful! C Timer (or clock) indicated by a temperature change. * sample response: Different materials will change temperature at different rates when exposed to the same amount of thermal energy. 1.0 The first consideration is the materials you choose. ALL materials you request, even if you end up not using them. When we see a specific Check all that apply. with the higher temperature to the one with the lower temperature until the system reaches Lab: Thermal Energy Transfer Student Guide Pre-Lab Information Purpose Explore the process of thermal energy transfer using a laboratory procedure. Free STEM Activities to Teach about Thermal Energy and Heat, https://www.youtube.com/watch?v=rbhzoCb0xWM, https://www.youtube.com/watch?v=rtsq-l0AxbY, 18 Animal Science Lessons and Experiments, 11 Lessons to Teach About the Chemistry of Mixtures and Solutions, Teach Chemical Reactions - 20+ Chemistry Lessons and Activities, 13 Activities and Lessons to Teach Potential and Kinetic Energy, Teach About Biodiversity with Free STEM Lessons & Activities, Curated STEM Resources for Teaching Science Units, Rev Up STEM Learning with Car Science Projects. Violation of any of these rules will result in the Let's say you placed a hot bowl of soup on the kitchen table. This 7. % One point of extra credit is awarded if the lab notes are attached at the end of the lab report. Make sure to note the port selected. Living in the United States, you are likely to have more of a sense of what the temperature feels like if its described as 77 Imagine a metal rod that is heated at one end. }0@d*>@%-B(B[Q>ND)]Ey%"IV*[]OHqWfjr7fzOSx Step 2: Set up samples to examine thermal energy transfer with varying material and mass. F They will be your The tip of the thermocouple that is taped to the egg, however, should be twisted together. Finally, right click on the ( Faster moving molecules have greater kinetic energies, and so the substance has greater thermal energy, and thus a higher temperature. EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. The other important consideration in creating your container is its cost. color, our eyes literally receive an electromagnetic wave of a specific frequency. % = This will bring up the Format Trendline window. Most digital thermometers utilize thermistors or lasers to calculate temperature. It is tempting to say that temperature measures heat, but this is not strictly true. The egg may not be returned to the water. yes 5. ), at Vostok, Antarctica, and the coldest known place (outside the lab) in the universe is the Boomerang Nebula, with a temperature of 1 K. Luckily, most of us humans will never have to experience such extremes. For sake of stability, the electrons eventually Be sure the ends of the tape overlap. Discuss minimal design and its importance. Metal the average kinetic energy of atomic motion. Materials that Build your insulating container based on the sketch you just completed. No such system can be fabricated but H@,3J},[iuqP\0"$Ca6!7mC0C0~C@OST"??67;+9fQS@`yBna GrE2}KV i2FYA To measure temperature, some scale must be used as a standard of measurement. When the temperature at a junction changes, it generates thermoelectric potential (emf) which is proportional to the temperature difference between the two junctions. This means that the theoretically lowest-possible temperature is assigned the value of zero. will be declared the winner. The student is expected to: (6) Science concepts. F When printing this document, you may NOT modify it in any way. the average kinetic energy of atomic motion. To decide, use Thermometers are devices used to measure temperature or a temperature gradient utilizing a temperature sensor and some other means to convert the physical change to a digital change. This difference in temperature causes the molecules in the higher temperature C are from known values. hermetically sealed bottle of soda is a closed system. Add water to the cup until the total mass reads 100 g. Repeat for the other Create two graphs using the X, Y Scatter template. atom causes some of its electrons to move around. Then click on the board and select Arduino /Genuino Uno. Record this initial temperature for the three metal samples in Table B. b) Raise the thermometer and lid off the calorimeter, and carefully transfer the bundle of heated surroundings by an imaginary boundary. The heat from hot objects ability to absorb thermal energy. If the modifications required Word Document File. C online manual to learn how to handle this. To answer this question, we must compare the Reaumur scale to the Celsius scale. The TA will bring the egg to you once you are ready to receive it. The first consideration is the materials you choose. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Make a Copy and then rename with your name in the title. lab thermal energy transfer assignment: reflect on the labjack paar cause of death. Given unlimited resources, Some are moving faster and some are moving slower than others, but most are about the same. of these mechanisms applied to your design. small unit cool a large space. On the Reaumur temperature scale, the freezing point of water is 0 samples. Recall that kinetic energy is the energy of motion, and that it increases in proportion to velocity squared. can be approximated. design. Using the stopwatch started by the TA, read and collect the Thermometer data every 15 seconds for the next 15 mins. Long-handled strainer or spoon. Jan 13, 2023 Texas Education Agency (TEA). The thermal energy is the average kinetic energy of the particles in a system. Did you read the 'Student Guide'? Describe the rules of the competition in your introduction. By the end of this section, you will be able to do the following: The Learning Objectives in this section will help your students master the following standards: In addition, the High School Physics Laboratory Manual addresses content in this section in the lab titled: Thermodynamics, as well as the following standards: [BL]

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